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<channel>
	<title>complexitys &#187; geometry</title>
	<atom:link href="http://complexitys.com/tag/geometry/feed/" rel="self" type="application/rss+xml" />
	<link>http://complexitys.com</link>
	<description>architecture and complex geometries</description>
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		<title>Interesting Stuff of the week&#8230;</title>
		<link>http://complexitys.com/english/interesting-stuff-of-the-week/</link>
		<comments>http://complexitys.com/english/interesting-stuff-of-the-week/#comments</comments>
		<pubDate>Mon, 28 Mar 2011 10:00:04 +0000</pubDate>
		<dc:creator>Francesco</dc:creator>
				<category><![CDATA[design]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[geometry]]></category>
		<category><![CDATA[gondola]]></category>
		<category><![CDATA[logo]]></category>
		<category><![CDATA[parametric]]></category>
		<category><![CDATA[venetian]]></category>

		<guid isPermaLink="false">http://complexitys.com/?p=2446</guid>
		<description><![CDATA[ONE _ found here &#124; thanks to@eiza _ _ _ TWO _ PARAMETRIC LOGO &#8220;MIT Media Lab&#8217;s Brilliant New Logo Has 40,000 Permutations&#8221; The basic idea here is that the logo has three intersecting spotlights that can be organized in any of 40,000 shapes and 12 color combinations using a custom algorithm. That’s enough to [...]]]></description>
			<content:encoded><![CDATA[<p><img class="alignnone size-full wp-image-2453" title="tumblr_lhq870p4mE1qza19io1_400" src="http://complexitys.com/wp-content/uploads/2011/03/tumblr_lhq870p4mE1qza19io1_400.gif" alt="tumblr_lhq870p4mE1qza19io1_400" width="305" height="294" /></p>
<p><strong>ONE _</strong></p>
<p>found <a href="http://ultrazapping.tumblr.com/post/3720402092" target="_blank">here</a> | thanks to<a href="http://twitter.com/eiza" target="_blank">@eiza</a></p>
<p>_<br />
_<br />
_</p>
<p><span id="more-2446"></span><br />
<iframe src="http://player.vimeo.com/video/20250134" width="589" height="333" frameborder="0"></iframe></p>
<p><img class="alignnone size-medium wp-image-2450" title="MITMediaLab_The_1" src="http://complexitys.com/wp-content/uploads/2011/03/MITMediaLab_The_1-590x314.jpg" alt="MITMediaLab_The_1" width="590" height="314" /></p>
<p><img class="alignnone size-medium wp-image-2451" title="MITMediaLab_The_3" src="http://complexitys.com/wp-content/uploads/2011/03/MITMediaLab_The_3-590x287.jpg" alt="MITMediaLab_The_3" width="590" height="287" /></p>
<p><strong>TWO _ PARAMETRIC LOGO</strong><br />
&#8220;MIT Media Lab&#8217;s Brilliant New Logo Has 40,000 Permutations&#8221;<br />
The basic idea here is that the logo has three intersecting spotlights that can be organized in any of 40,000 shapes and 12 color combinations using a custom algorithm. That’s enough to supply each and every new card-carrying Media Labber with his very own logo for a whopping 25 years.</p>
<p>source: <a href="http://www.fastcodesign.com/1663378/mit-media-labs-brilliant-new-visual-id-generates-a-different-logo-for-each-person" target="_blank">fastcodesign.com</a> | found via <a href="http://achauton.tumblr.com/" target="_blank">Adolfo Chauton</a></p>
<p>_<br />
_<br />
_</p>
<p><img class="alignnone size-medium wp-image-2452" title="SectionsSmall" src="http://complexitys.com/wp-content/uploads/2011/03/SectionsSmall-590x354.jpg" alt="SectionsSmall" width="590" height="354" /></p>
<p>image above: <a href="http://eat-a-bug.blogspot.com/2011/03/geometry-of-venetian-gondola.html" target="_blank">eat-a-bug.blogspot.com</a> | image below <a href="http://www.flickr.com/photos/daniele_sartori/4300088938/" target="_blank">Daniele Sartori</a></p>
<p><img class="alignnone size-medium wp-image-2449" title="4300088938_9a05f501c1_b" src="http://complexitys.com/wp-content/uploads/2011/03/4300088938_9a05f501c1_b-590x394.jpg" alt="4300088938_9a05f501c1_b" width="590" height="394" /></p>
<p><strong>THREE _ VENETIAN GONDOLA</strong></p>
<p>LORENZ LACHAUER (<a href="http://eat-a-bug.blogspot.com/2011/03/geometry-of-venetian-gondola.html" target="_blank">eat-a-bug.blogspot.com</a> of which we had already talked <a href="http://complexitys.com/english/marten-nettelbladt-and-geometries-of-bending/" target="_blank">here</a>) explains: &#8220;On my last trip to Venice I realized, that the shape of the venetiangondola is not only elegant, but also functional and higly optimized. Developed in the mid-19th-century, the sections of the boat are asymmetric, in order to balance the weigth of the gondoliere, who stands one side of the boat. Referred to the traditional Tramontinshipyard, the geometry of the boat is curved in plan, according to the weight of the oar.&#8221;</p>
<p>source: <a href="http://eat-a-bug.blogspot.com/2011/03/geometry-of-venetian-gondola.html" target="_blank">eat-a-bug.blogspot.com</a> | found via <a href="http://twitter.com/digitag" target="_blank">@digitag</a></p>
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		</item>
		<item>
		<title>FFFFOUND?</title>
		<link>http://complexitys.com/art/ffffound/</link>
		<comments>http://complexitys.com/art/ffffound/#comments</comments>
		<pubDate>Mon, 14 Feb 2011 10:31:42 +0000</pubDate>
		<dc:creator>Francesco</dc:creator>
				<category><![CDATA[art]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[ffffound]]></category>
		<category><![CDATA[geometry]]></category>
		<category><![CDATA[images]]></category>
		<category><![CDATA[mesh]]></category>

		<guid isPermaLink="false">http://complexitys.com/?p=2370</guid>
		<description><![CDATA[Images above come from &#8220;The most intense moments the universe has ever known are the next 15 second&#8221; (have a look to this stunning generative art graphs). Found on ffffound!, the &#8220;web service that not only allows the users to post and share their favorite images found on the web, but also dynamically recommends each user&#8217;s tastes [...]]]></description>
			<content:encoded><![CDATA[<p><img class="alignnone size-full wp-image-2371" title="Andrews-Andrews" src="http://complexitys.com/wp-content/uploads/2011/02/Andrews-Andrews.gif" alt="Andrews-Andrews" width="540" height="418" /><img class="alignnone size-full wp-image-2376" title="Oberwolfach-flowmeter0" src="http://complexitys.com/wp-content/uploads/2011/02/Oberwolfach-flowmeter0.gif" alt="Oberwolfach-flowmeter0" width="540" height="332" /><span id="more-2370"></span><img class="alignnone size-full wp-image-2375" title="Nasa-barth5" src="http://complexitys.com/wp-content/uploads/2011/02/Nasa-barth5.gif" alt="Nasa-barth5" width="539" height="384" /><img class="alignnone size-full wp-image-2373" title="GHS_psdef-ford2" src="http://complexitys.com/wp-content/uploads/2011/02/GHS_psdef-ford2.gif" alt="GHS_psdef-ford2" width="540" height="381" /><img class="alignnone size-full wp-image-2372" title="Gaertner-pesa" src="http://complexitys.com/wp-content/uploads/2011/02/Gaertner-pesa.gif" alt="Gaertner-pesa" width="540" height="388" /></p>
<p>Images above come from <a href="http://www.butdoesitfloat.com/496420/The-most-intense-moments-the-universe-has-ever-known-are-the-next-15">&#8220;The most intense moments the universe has ever known are the next 15 second&#8221;</a> (have a look to <a href="http://www.butdoesitfloat.com/496420/The-most-intense-moments-the-universe-has-ever-known-are-the-next-15">this stunning generative art graphs</a>). Found on <a href="http://ffffound.com/image/a9e3c0bd6a3e29452d4e027143da4da8c77f4043" target="_blank">ffffound!</a>, the &#8220;web service that not only allows the users to post and share their favorite images found on the web, but also dynamically recommends each user&#8217;s tastes and interests for an inspirational image-bookmarking experience&#8221;. ffffound is an invitation-based service. Does anybody know someone with invitation codes?! :)</p>
<p>The image below was found on <a href="http://ffffound.com/">ffffound!</a> via <a href="http://twitter.com/eiza" target="_blank">@eiza</a>: thanks to him!</p>
<p><a href="http://twitter.com/eiza" target="_blank"></a><img class="alignnone size-medium wp-image-2377" title="Dan-Mountford1" src="http://complexitys.com/wp-content/uploads/2011/02/Dan-Mountford1-590x587.jpg" alt="Dan-Mountford1" width="590" height="587" /></p>
]]></content:encoded>
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		<item>
		<title>Fashion Design and Complex (Un)Folded Geometries</title>
		<link>http://complexitys.com/english/fashion-design-and-complex-unfolded-geometries/</link>
		<comments>http://complexitys.com/english/fashion-design-and-complex-unfolded-geometries/#comments</comments>
		<pubDate>Tue, 21 Sep 2010 09:00:29 +0000</pubDate>
		<dc:creator>Francesco</dc:creator>
				<category><![CDATA[concept]]></category>
		<category><![CDATA[design]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[geometry]]></category>
		<category><![CDATA[architecture]]></category>
		<category><![CDATA[cloth]]></category>
		<category><![CDATA[clothes]]></category>
		<category><![CDATA[complex]]></category>
		<category><![CDATA[eco-effective]]></category>
		<category><![CDATA[eco-effectivity]]></category>
		<category><![CDATA[effective]]></category>
		<category><![CDATA[fashion]]></category>
		<category><![CDATA[folded]]></category>
		<category><![CDATA[folding]]></category>
		<category><![CDATA[mode]]></category>
		<category><![CDATA[unfol]]></category>
		<category><![CDATA[vip]]></category>

		<guid isPermaLink="false">http://complexitys.com/?p=2009</guid>
		<description><![CDATA[Photo: Folded fabric, ready to enter the third (and fifth) dimension. Photo from Women&#8217;s Wear Daily. Source: changeobserver.designobserver.com &#8230; How are new design tools and software changing design of clothes and fashion accessories? As we are always interested in exploring the boundaries of architecture and 3D design, we have found that some fashion designers may [...]]]></description>
			<content:encoded><![CDATA[<p><img class="alignnone size-full wp-image-2011" title="MiyakeDresses3_0910" src="http://complexitys.com/wp-content/uploads/2010/09/MiyakeDresses3_0910.jpg" alt="MiyakeDresses3_0910" width="248" height="400" /></p>
<p><span>Photo: Folded fabric, ready to enter the third (and fifth) dimension. Photo from <span style="font-style: italic;">Women&#8217;s Wear Daily</span>.<br />
Source: </span><a href="http://changeobserver.designobserver.com/entry.html?entry=15558&amp;goback=.gde_1249287_news_197810148" target="_blank">changeobserver.designobserver.com</a></p>
<p>&#8230;<br />
How are new design tools and software changing design of clothes and fashion accessories?<br />
As we are always interested in exploring the boundaries of architecture and 3D design, we have found that some fashion designers may use the same softwares that we use in <a href="http://hda-paris.com" target="_blank">HDA</a>.</p>
<p><img class="alignnone size-full wp-image-2019" title="oripa_screen030" src="http://complexitys.com/wp-content/uploads/2010/09/oripa_screen030.jpg" alt="oripa_screen030" width="400" height="265" /></p>
<p><span id="more-2009"></span>For example, you can try and play with an origami pattern design tool called <a href="http://mitani.cs.tsukuba.ac.jp/pukiwiki-oripa/index.php">ORIPA</a>, made by <a href="http://mitani.cs.tsukuba.ac.jp/pukiwiki/index.php">Jun Mitani</a> (his <a href="http://d.hatena.ne.jp/kfd-oriclub">blog here</a>) and then discover that Japanese designer Issey Miyake  used theory of origami to build his Folded Clothes, which consist of &#8220;one piece of fabric, a three-dimensional shape reduced to two, and the  fifth dimension, which Miyake describes as the moment the garment is  worn and comes to life “through the communication among people.” (In  physics, the fifth dimension is a hypothetical extra dimension after the  three spatial ones and the fourth, which is time. Some astrophysicists  argue that the fifth dimension may be the universe that we live in.)&#8221;<br />
(source: <a href="http://changeobserver.designobserver.com/entry.html?entry=15558&amp;goback=.gde_1249287_news_197810148" target="_blank">changeobserver.designobserver.com</a>)</p>
<p><img class="alignnone size-full wp-image-2016" title="realitylab_02" src="http://complexitys.com/wp-content/uploads/2010/09/realitylab_02.jpg" alt="realitylab_02" width="265" height="482" /></p>
<p>Image above :<span> </span><a href="http://blog.neo-nomad.net/" target="_blank">neo-nomad.net</a></p>
<p>&#8230;</p>
<p><img class="alignnone size-full wp-image-2013" title="MiyakeDresses_0910_525" src="http://complexitys.com/wp-content/uploads/2010/09/MiyakeDresses_0910_525.jpg" alt="MiyakeDresses_0910_525" width="525" height="409" /></p>
<p><img class="alignnone size-full wp-image-2010" title="MiyakeDresses2_0910" src="http://complexitys.com/wp-content/uploads/2010/09/MiyakeDresses2_0910.jpg" alt="MiyakeDresses2_0910" width="525" height="404" /></p>
<p>Images above :<span> </span><a href="http://changeobserver.designobserver.com/entry.html?entry=15558&amp;goback=.gde_1249287_news_197810148" target="_blank">changeobserver.designobserver.com</a></p>
<p>&#8230;</p>
<p>This reminds the project below called <a href="http://www.todayandtomorrow.net/2008/09/30/digital-portraits/" target="_blank">Digital Portraits</a>, where &#8220;Three people are portrayed by turning their 3D data into 2D sewing  patterns and converting these into articles of clothing. Linked with  their biographical memories, a digital twin of the body is created.&#8221;</p>
<p><img class="alignnone size-medium wp-image-2020" title="digital_portraits_1" src="http://complexitys.com/wp-content/uploads/2010/09/digital_portraits_1-590x442.jpg" alt="digital_portraits_1" width="590" height="442" /></p>
<p><img class="alignnone size-medium wp-image-2021" title="digital_portraits_2" src="http://complexitys.com/wp-content/uploads/2010/09/digital_portraits_2-590x442.jpg" alt="digital_portraits_2" width="590" height="442" /></p>
<p>Images above: <a href="http://www.todayandtomorrow.net/2008/09/30/digital-portraits/" target="_blank">Today and Tomorrow</a></p>
<p>&#8230;</p>
<p>We can also find another interesting connection between these concepts and the idea of eco-effiectiviy.</p>
<p><a href="http://www.refinity.eu/en/eco-effectiviteit.htm" target="_blank">Refinity</a> explains that &#8220;the fashion industry is one of the most polluting industries in the  world. Everybody participates in the fashion industry and has the  opportunity to make it more environmentally friendly. An important strategy to work environmentally friendly is eco-efficiency. This means as that is as efficient as possible, in which more  is done with less. This is a good start, but not the solution. [...]&#8220;Designers should think about the new life of a product during the design  process, which will make materials upcyclable. This is eco-effectivity; taking into account the effects of certain design choices on the environment.&#8221;</p>
<p><a href="http://www.refinity.eu/en/eco-effectiviteit.htm" target="_blank">Refinity</a> defines itself as a consultancy company for eco-effective ways of designing fashion (photos below).</p>
<p><img class="alignnone size-medium wp-image-2022" title="120410172159smock3" src="http://complexitys.com/wp-content/uploads/2010/09/120410172159smock3-590x442.jpg" alt="120410172159smock3" width="590" height="442" /></p>
<p><img class="alignnone size-medium wp-image-2023" title="120410163811smock4" src="http://complexitys.com/wp-content/uploads/2010/09/120410163811smock4-590x443.jpg" alt="120410163811smock4" width="590" height="443" /></p>
<p>&#8230;</p>
<p>The document below contains some research we have been exploring for <a href="http://complexitys.com/francais/realite-matiere-lumiere/" target="_blank">DFS facade design</a> workshop in which we have worked with textures, geometry of origami and complex folded surfaces.</p>
<div><object style="width:590px;height:400px" ><param name="movie" value="http://static.issuu.com/webembed/viewers/style1/v1/IssuuViewer.swf?mode=embed&amp;viewMode=presentation&amp;layout=http%3A%2F%2Fskin.issuu.com%2Fv%2Flight%2Flayout.xml&amp;showFlipBtn=true&amp;autoFlip=true&amp;autoFlipTime=6000&amp;pageNumber=4&amp;documentId=100919152425-3cbcfae4fcc746afb50d53d2576b2fbe&amp;docName=2010-05-07_hda_firsts_submittal&amp;username=hda_paris&amp;loadingInfoText=DFS%20brain%20storming&amp;et=1285062217177&amp;er=9" /><param name="allowfullscreen" value="true"/><param name="menu" value="false"/><embed src="http://static.issuu.com/webembed/viewers/style1/v1/IssuuViewer.swf" type="application/x-shockwave-flash" allowfullscreen="true" menu="false" style="width:590px;height:400px" flashvars="mode=embed&amp;viewMode=presentation&amp;layout=http%3A%2F%2Fskin.issuu.com%2Fv%2Flight%2Flayout.xml&amp;showFlipBtn=true&amp;autoFlip=true&amp;autoFlipTime=6000&amp;pageNumber=4&amp;documentId=100919152425-3cbcfae4fcc746afb50d53d2576b2fbe&amp;docName=2010-05-07_hda_firsts_submittal&amp;username=hda_paris&amp;loadingInfoText=DFS%20brain%20storming&amp;et=1285062217177&amp;er=9" /></object>
<div style="width:590px;text-align:left;"><a href="http://issuu.com/hda_paris/docs/2010-05-07_hda_firsts_submittal?mode=embed&amp;viewMode=presentation&amp;layout=http%3A%2F%2Fskin.issuu.com%2Fv%2Flight%2Flayout.xml&amp;showFlipBtn=true&amp;autoFlip=true&amp;autoFlipTime=6000&amp;pageNumber=4" target="_blank"></div>
</div>
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		<title>10 Hills Place / Amanda Levete Architect</title>
		<link>http://complexitys.com/integration/10-hills-place-amanda-levete-architect/</link>
		<comments>http://complexitys.com/integration/10-hills-place-amanda-levete-architect/#comments</comments>
		<pubDate>Tue, 06 Jul 2010 14:12:01 +0000</pubDate>
		<dc:creator>G. k.</dc:creator>
				<category><![CDATA[constructivity]]></category>
		<category><![CDATA[integration]]></category>
		<category><![CDATA[projects]]></category>
		<category><![CDATA[we like]]></category>
		<category><![CDATA[architecture]]></category>
		<category><![CDATA[conception]]></category>
		<category><![CDATA[geometry]]></category>
		<category><![CDATA[light]]></category>
		<category><![CDATA[steel]]></category>

		<guid isPermaLink="false">http://complexitys.com/?p=1835</guid>
		<description><![CDATA[Many narrow streets and alleyways off Oxford Street, London are currently misused and underdeveloped. These under regarded areas are ideal not only for improvement, but also for relatively unconventional design opportunities. Our proposal acknowledges this by providing an architectural intervention that subtly draws attention to the building through the intrigue of a sculptural façade. Inspired [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://complexitys.com/wp-content/uploads/2010/07/1252601908-388-9891-.jpeg"><img class="alignnone size-medium wp-image-1836" title="1252601908-388-9891" src="http://complexitys.com/wp-content/uploads/2010/07/1252601908-388-9891--532x800.jpg" alt="1252601908-388-9891" width="532" height="800" /></a><br />
Many narrow streets and alleyways off Oxford Street, London are currently misused and underdeveloped. These under regarded areas are ideal not only for improvement, but also for relatively unconventional design opportunities. Our proposal acknowledges this by providing an architectural intervention that subtly draws attention to the building through the intrigue of a sculptural façade. Inspired by the art work of Lucio Fontana large glazed areas orientated towards the sky are slashed into the façade, maximising the natural light available in this narrow street.</p>
<p><span id="more-1835"></span><br />
<a href="http://complexitys.com/wp-content/uploads/2010/07/1252601859-388-090716-gf-01.jpg.jpeg"><img class="alignnone size-medium wp-image-1837" title="1252601859-388-090716-gf-01.jpg" src="http://complexitys.com/wp-content/uploads/2010/07/1252601859-388-090716-gf-01.jpg-470x800.jpg" alt="1252601859-388-090716-gf-01.jpg" width="470" height="800" /></a><br />
This sculptural form is achieved using a system of aluminium profiles used in the production of high quality, ship hulls. The facade is fabricated using curved 140mm wide aluminium profiles that are connected together on-site, using a tongue-and-groove system ensuring water-tightness and construction efficiency. The metallic silver finish is a high performance durable paint typically used on super yachts. The use of self cleaning glass and an ingenious detail of hidden gutters within the eyelids ensures the facade remains low maintenance.<br />
<a href="http://complexitys.com/wp-content/uploads/2010/07/1252601877-388-090716-gf-08-01-.jpeg"><img class="alignnone size-medium wp-image-1838" title="1252601877-388-090716-gf-08-01" src="http://complexitys.com/wp-content/uploads/2010/07/1252601877-388-090716-gf-08-01--590x549.jpg" alt="1252601877-388-090716-gf-08-01" width="590" height="549" /></a><br />
<a href="http://complexitys.com/wp-content/uploads/2010/07/1252601959-388-perspective-detail-1000x557.jpg.jpeg"><img class="alignnone size-medium wp-image-1839" title="1252601959-388-perspective-detail-1000x557.jpg" src="http://complexitys.com/wp-content/uploads/2010/07/1252601959-388-perspective-detail-1000x557.jpg-590x328.jpg" alt="1252601959-388-perspective-detail-1000x557.jpg" width="590" height="328" /></a><br />
The ground floor is fronted by a bespoke laminated glass in which is sandwiched a stainless steel mesh and semi opaque interlayer over a dichromatic film. This is lit from behind, using fibre optics to generate a coloured moiré pattern providing dynamic visual interest and a feeling of depth to what would otherwise be a blank wall.<br />
<a href="http://complexitys.com/wp-content/uploads/2010/07/1210870_2008.jpg.jpeg"><img class="alignnone size-full wp-image-1840" title="1210870_2008.jpg" src="http://complexitys.com/wp-content/uploads/2010/07/1210870_2008.jpg.jpeg" alt="1210870_2008.jpg" width="576" height="432" /></a></p>
<p>from <a href="http://www.archdaily.com/">archdaily.com</a></p>
<p>Architect: <a href="http://www.amandalevetearchitects.com/">Amanda Levete Architects</a><br />
Location: London, England<br />
Project Director: Ho-Yin Ng<br />
Project team: Gidon Fuehrer, Chris Geneste, Soren Aagaard, Alan Dempsey – Project Architect, John O’Mara, Michael Mitchell<br />
Client: Clarendon Properties<br />
Main Contractor: Powells Group<br />
Façade: Frener &amp; Reifer<br />
Interiors: Windsor Workshop Ltd.<br />
Constructed Area: 14,220 sqm<br />
Project year: 2007-2009<br />
Photographs: Gidon Fuehrer<br />
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		<title>Mandelbox trip</title>
		<link>http://complexitys.com/art/mandelbox-trip/</link>
		<comments>http://complexitys.com/art/mandelbox-trip/#comments</comments>
		<pubDate>Fri, 25 Jun 2010 13:56:15 +0000</pubDate>
		<dc:creator>Francesco</dc:creator>
				<category><![CDATA[Architecture Games]]></category>
		<category><![CDATA[art]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[geometry]]></category>
		<category><![CDATA[complexity]]></category>
		<category><![CDATA[fractal]]></category>
		<category><![CDATA[video]]></category>

		<guid isPermaLink="false">http://complexitys.com/?p=1802</guid>
		<description><![CDATA[Fractals video by xlace. Thanks to @generatorx and @subblue for sharing this on twitter.]]></description>
			<content:encoded><![CDATA[<p><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="590" height="350" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"><param name="allowFullScreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="src" value="http://www.youtube.com/v/bO9ugnn8DbE&amp;hl=en_US&amp;fs=1&amp;" /><param name="allowfullscreen" value="true" /><embed type="application/x-shockwave-flash" width="590" height="350" src="http://www.youtube.com/v/bO9ugnn8DbE&amp;hl=en_US&amp;fs=1&amp;" allowscriptaccess="always" allowfullscreen="true"></embed></object></p>
<p>Fractals video by <a href="http://www.youtube.com/user/xlace" target="_blank">xlace.</a> Thanks to <a href="http://twitter.com/generatorx" target="_blank">@generatorx</a> and <a href="http://twitter.com/subblue" target="_blank">@subblue</a> for sharing this on twitter.</p>
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		<title>Mårten Nettelbladt and geometries of bending</title>
		<link>http://complexitys.com/english/marten-nettelbladt-and-geometries-of-bending/</link>
		<comments>http://complexitys.com/english/marten-nettelbladt-and-geometries-of-bending/#comments</comments>
		<pubDate>Tue, 25 May 2010 15:55:21 +0000</pubDate>
		<dc:creator>Francesco</dc:creator>
				<category><![CDATA[complexitys culture]]></category>
		<category><![CDATA[constructivity]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[geometry]]></category>
		<category><![CDATA[#gh3D]]></category>
		<category><![CDATA[bending]]></category>
		<category><![CDATA[complex]]></category>
		<category><![CDATA[developable]]></category>
		<category><![CDATA[forms]]></category>
		<category><![CDATA[grasshopper]]></category>
		<category><![CDATA[marten]]></category>
		<category><![CDATA[nettelbladt]]></category>
		<category><![CDATA[rhinoceros]]></category>
		<category><![CDATA[software]]></category>
		<category><![CDATA[surfaces]]></category>

		<guid isPermaLink="false">http://complexitys.com/?p=1597</guid>
		<description><![CDATA[We have already talked about Mårten Nettelbladt as a very interesting researcher on topics of complex geometries, and specifically the topic of developable surfaces. His website, &#8220;Omkrets arkitektur&#8221;, and his blog The Geometry of Bending should be a reference for all those who are interested in the developability of surfaces, and in general for those [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://complexitys.com/?p=1597"><img class="alignnone size-medium wp-image-1654" title="omkrets_banner_762_white12" src="http://complexitys.com/wp-content/uploads/2010/05/omkrets_banner_762_white12-590x232.png" alt="omkrets_banner_762_white12" width="590" height="232" /></a></p>
<p>We have already talked about <a href="http://complexitys.com/geometry/developable-surfaces/" target="_blank">Mårten Nettelbladt</a> as a very interesting researcher on topics of complex geometries, and specifically the topic of developable surfaces.</p>
<p>His website, <a href="http://www.omkrets.se/mnexjobb/english.htm" target="_blank">&#8220;Omkrets arkitektur&#8221;</a>, and his blog <a href="http://thegeometryofbending.blogspot.com/" target="_blank">The Geometry of Bending</a> should be a reference for all those who are interested in the developability of surfaces, and in general for those who are trying to create and construct complex forms.</p>
<p><span id="more-1597"></span>As I am explaining <a href="http://complexitys.com/francais/formtexx-et-ces-nouvelles-facaces-a-double-courbure-terrain-vague-entre-la-technologie-et-la-conception/" target="_blank">here</a> in French, developability is a key concept to understand if you are trying to construct very complex forms that are easy to draw but difficult to build.</p>
<p>As Mårten says: &#8220;I am fascinated by organic shapes and have sought in my investigations to find forms on the dividing line between free-form and the geometric. I have also tried to find a balance between complexity and simplicity.&#8221; He also explains in a very simple way the purposes of his <a href="http://thegeometryofbending.blogspot.com/" target="_blank">research blog</a>:  &#8220;When you bend a thin strip of an elastic material you get a beautifully shaped curve. What geometry does this curve follow? Please help unravel this mystery by commenting on these posts!&#8221;</p>
<p><img class="alignnone size-medium wp-image-1655" title="2010-02-19_strauss" src="http://complexitys.com/wp-content/uploads/2010/05/2010-02-19_strauss-590x590.jpg" alt="2010-02-19_strauss" width="590" height="590" /></p>
<p>In a recent article (in French) about <a href="http://complexitys.com/francais/architecture-hybride-110-espaces-sensbiles-et-nouvelle-conception/" target="_blank">&#8220;Hybrid Archtiecture: sentient spaces and new design&#8221;</a> we have been focusing on the complex relationship between the virtual model, the physical model, and the engineering calculation model. I think that developable surfaces are a central topic in these studies, as they are something that we must strongly consider if we want our complex virtual forms to become physical objects.</p>
<p><img class="alignnone size-medium  wp-image-1657" title="3 cones 1b" src="http://complexitys.com/wp-content/uploads/2010/05/3-cones-1b-590x393.jpg" alt="3 cones 1b" width="590" height="393" /></p>
<pre>Image credits: Mårten Nettelbladt</pre>
<p>This is why I think the work of Mårten Nettelbladt is especially relevant, as he&#8217;s always going back and forth between virtual models (using Rhinoceros and Grasshopper) and physical models (paper, plastic, rubber, etc). For example, he has developed an interesting Grasshopper definition to draw developable strips (you can download it <a href="http://www.eat-a-bug.kilu.de/Developable.zip" target="_blank">here</a>).</p>
<p><img class="alignnone size-medium  wp-image-1656" title="A-case5b" src="http://complexitys.com/wp-content/uploads/2010/05/A-case5b-590x393.jpg" alt="A-case5b" width="590" height="393" /></p>
<pre>Image credits: Mårten Nettelbladt</pre>
<p><img class="alignnone size-medium wp-image-1658" title="090307 cones testing2" src="http://complexitys.com/wp-content/uploads/2010/05/090307-cones-testing2-590x368.PNG" alt="090307 cones testing2" width="590" height="368" /></p>
<pre>Image credits: Mårten Nettelbladt</pre>
<p>I find this strong relationship between paper studies (physical) and Grasshopper definitions (virtual) particularly interesting, as it gives evidence that developable forms are not merely abstract results of a virtual modelling, but that they have a strong physical meaning as well, as their forms are the results of forces of nature.</p>
<p>This could perhaps be a subject that we could work on one of our next <a href="http://complexitys.com/software/formationgrasshopper/" target="_blank">Parametric Architecture Workshops.</a></p>
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		<title>Lindstrom &amp; Stromgren&#8217;s amazing folding-map-inspired table</title>
		<link>http://complexitys.com/we-like/lindstrom-stromgrens-amazing-folding-map-inspired-table/</link>
		<comments>http://complexitys.com/we-like/lindstrom-stromgrens-amazing-folding-map-inspired-table/#comments</comments>
		<pubDate>Wed, 14 Apr 2010 13:26:31 +0000</pubDate>
		<dc:creator>G. k.</dc:creator>
				<category><![CDATA[design]]></category>
		<category><![CDATA[english]]></category>
		<category><![CDATA[we like]]></category>
		<category><![CDATA[geometry]]></category>

		<guid isPermaLink="false">http://complexitys.com/?p=1456</guid>
		<description><![CDATA[how folding-map as inspired a table. Swedish designers Sanna Lindstrom and Sigrid Stromgren have collaborated to bring you the Grand Central table, an expandable piece of furniture inspired by a pop-up map of New York. Twenty-two different pieces unfurl to make the tabletop as the legs open from an L to an X, so the [...]]]></description>
			<content:encoded><![CDATA[<p>how folding-map as inspired a table.</p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/0grandcentral3.jpg.jpeg"><img class="size-full wp-image-1457 alignnone" title="0grandcentral3.jpg" src="http://complexitys.com/wp-content/uploads/2010/04/0grandcentral3.jpg.jpeg" alt="0grandcentral3.jpg" width="468" height="1373" /></a></p>
<p><span id="more-1456"></span></p>
<p>Swedish designers <a href="http://www.sannalindstrom.se/">Sanna Lindstrom</a> and <a href="http://www.sigridstromgren.se/">Sigrid Stromgren</a> have collaborated to bring you the <a href="http://www.sannasigrid.com/">Grand Central tabl</a>e, an expandable piece of furniture inspired by a pop-up map of New York. Twenty-two different pieces unfurl to make the tabletop as the legs open from an L to an X, so the user can go from having this stowed in the corner to making it the center of the room.</p>
<p>Not just a CG-rendered concept, the Grand Central will be on display at Milan.</p>
<p><a href="http://www.core77.com/blog/">http://www.core77.com/blog/</a></p>
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		<title>johann le guillerm: la motte</title>
		<link>http://complexitys.com/we-like/johann-le-guillerm-la-motte/</link>
		<comments>http://complexitys.com/we-like/johann-le-guillerm-la-motte/#comments</comments>
		<pubDate>Tue, 13 Apr 2010 14:19:10 +0000</pubDate>
		<dc:creator>G. k.</dc:creator>
				<category><![CDATA[art]]></category>
		<category><![CDATA[complexitys culture]]></category>
		<category><![CDATA[concept]]></category>
		<category><![CDATA[design]]></category>
		<category><![CDATA[Engineering]]></category>
		<category><![CDATA[français]]></category>
		<category><![CDATA[geometry]]></category>
		<category><![CDATA[structure]]></category>
		<category><![CDATA[we like]]></category>
		<category><![CDATA[acier]]></category>
		<category><![CDATA[ecologie]]></category>
		<category><![CDATA[model]]></category>
		<category><![CDATA[steel]]></category>

		<guid isPermaLink="false">http://complexitys.com/?p=1405</guid>
		<description><![CDATA[Depuis 2001, johann Le Guillerm tourne autour du point, cet élément minimal originel qu&#8217;il a mis en volume et en mouvement pour en faire le touret, à sa maniere, theoriser au sens grec (observer) rien moins que la globalité du monde. Au long de cheminements labyrinthiques, avec les formes de classement que la science utilise, [...]]]></description>
			<content:encoded><![CDATA[<p>Depuis 2001, johann Le Guillerm tourne autour du point, cet élément minimal originel qu&#8217;il a mis en volume et en mouvement pour en faire le touret, à sa maniere, theoriser au sens grec (observer) rien moins que la globalité du monde.</p>
<p style="text-align: center;"><a href="http://complexitys.com/wp-content/uploads/2010/04/27201_335884118701_169632603701_3596072_2872983_n.jpg.jpeg"><img class="alignnone size-full wp-image-1415" title="27201_335884118701_169632603701_3596072_2872983_n.jpg" src="http://complexitys.com/wp-content/uploads/2010/04/27201_335884118701_169632603701_3596072_2872983_n.jpg.jpeg" alt="27201_335884118701_169632603701_3596072_2872983_n.jpg" width="303" height="448" /></a></p>
<p style="text-align: left;">
<p><span id="more-1405"></span></p>
<p>Au long de cheminements labyrinthiques, avec les formes de classement que la science utilise, il deploie ses connaissances, nées d&#8217;experiences intuitives qui mettent à mal nos consciences cartesiennes. Car peu lui importe la verité des hypotheses, ce qui compte, c&#8217;est qu&#8217;elles operent sur le desordre du monde pour deceler d&#8217;autres agencements, un nouvel ordre, poetique celui là. L&#8217;artiste affirme &#8221; je tente d&#8217;etablir un ordre dans le chaos du monde, d&#8217;ordonner le paysage, cela m&#8217;aide à visualiser l&#8217;espace, même si je sais que ce paysage est faux&#8221;.</p>
<p style="text-align: justify; ">Dans ces chantiers, en piste ou en laboratoire, il entend montrer le cheminement des surfaces, des spheres&#8230; pour cela il experimente, traque ce qui fait raisonnement, crée ses propres &#8220;outils&#8221; et selon une logique toute personnelle, les façonne à sa cause pour en montrer d&#8217;inédites propriétées.</p>
<p style="text-align: justify; "><em>Anne Quentin journaliste et auteur</em></p>
<p>Voici le lien du mode d&#8217;emploi sur l&#8217;expo <a href="http://www.clubcreacc-idf.fr/attachment/191976/">attraction: mode d&#8217;emploi.</a></p>
<p>En deux ans, il a approfondi sa connaissance dans le sens d’une théorisation progressive de sa pratique.<br />
Sa recherche procède de l&#8217;entrelacs de trois questions :</p>
<ul>
<li>Quand y a-t-il équilibre ?</li>
<li>Quand y a-t-il métamorphose ?</li>
<li>Comment la notion de point de vue perturbe-t-elle les notions d&#8217;équilibre et de forme ?</li>
</ul>
<p>Son approche sensible de ces trois questions a pour but de s&#8217;approprier un savoir externe à l&#8217;art pour le traduire artistiquement.</p>
<p>Voici plusieurs oeuvres qui parle de geometrie:</p>
<p style="text-align: center; "><a href="http://complexitys.com/wp-content/uploads/2010/04/23617_310612813701_169632603701_3506722_4975107_n.jpg.jpeg"><img class="size-full wp-image-1417 aligncenter" title="23617_310612813701_169632603701_3506722_4975107_n.jpg" src="http://complexitys.com/wp-content/uploads/2010/04/23617_310612813701_169632603701_3506722_4975107_n.jpg.jpeg" alt="23617_310612813701_169632603701_3506722_4975107_n.jpg" width="287" height="448" /></a></p>
<p style="text-align: center; "><a href="http://complexitys.com/wp-content/uploads/2010/04/23617_310612813701_169632603701_3506722_4975107_n.jpg.jpeg"></a><a href="http://complexitys.com/wp-content/uploads/2010/04/24154_326387058701_169632603701_3564736_7846605_n.jpg.jpeg"><img class="size-full wp-image-1444 aligncenter" title="24154_326387058701_169632603701_3564736_7846605_n.jpg" src="http://complexitys.com/wp-content/uploads/2010/04/24154_326387058701_169632603701_3564736_7846605_n.jpg.jpeg" alt="24154_326387058701_169632603701_3564736_7846605_n.jpg" width="448" height="301" /></a></p>
<p style="text-align: center; "><a href="http://complexitys.com/wp-content/uploads/2010/04/27201_335885378701_169632603701_3596078_1354700_n.jpg.jpeg"><img class="alignnone size-full wp-image-1445" title="27201_335885378701_169632603701_3596078_1354700_n.jpg" src="http://complexitys.com/wp-content/uploads/2010/04/27201_335885378701_169632603701_3596078_1354700_n.jpg.jpeg" alt="27201_335885378701_169632603701_3596078_1354700_n.jpg" width="448" height="299" /></a></p>
<p>j&#8217; ai decidé de vous parler de l&#8217;oeuvre qui m&#8217;a le plus marqué autant d&#8217;un point de vue phénoménologie que  des moyens formels et technologiques.</p>
<p>L&#8217;un des enjeux d’ATTRACTION est dans le dépassement de deux frontières. Celle qui oppose art et science et celle qui sépare le sensible et le rationnel. Un désir de connaissance et de poétisation du monde.</p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/La-Motte-prototype_1.jpg.jpeg"><img class="alignnone size-full wp-image-1418" title="La Motte-prototype_1.jpg" src="http://complexitys.com/wp-content/uploads/2010/04/La-Motte-prototype_1.jpg.jpeg" alt="La Motte-prototype_1.jpg" width="567" height="387" /></a></p>
<p style="text-align: justify; "><strong>La Motte est issue de la famille des Circumambulatoires.</strong></p>
<p style="text-align: justify; ">Les Circumambulatoires sont des circuits évolutifs autour d’un noyau, sorte de mouvement chaotique en perpétuelle mutation.<br />
Leurs formations se réalisent à partir de deux volumes sphériques identiques, l’un chaud, l’autre froid .<br />
Ils s’attirent, se rencontrent et se découvrent. Ils se découvrent par contact en parcourant la totalité de leur surface jusqu’à revenir à leur point de rencontre. Ils créent ainsi une boucle qui devient mémoire de circulation. La répétition de cette mémoire de chemin les façonne et les déforme. Ils prennent alors l’aspect d’engrenages lisses complémentaires.<br />
A force de répétitions, la masse chaude se refroidie et la masse froide se réchauffe, l’une devient concave et l’autre convexe.<br />
<a href="http://complexitys.com/wp-content/uploads/2010/04/boyau-arete.bmp"><img class="alignnone size-full wp-image-1423" title="boyau arete" src="http://complexitys.com/wp-content/uploads/2010/04/boyau-arete.bmp" alt="boyau arete" /></a></p>
<p>Les mutations de la famille des circumambulatoires sont provoquées par l’intervention de virus sur les arêtes. (virus : scission, division, courbure, jonction, excroissance, etc&#8230; de la ligne).<br />
<a href="http://complexitys.com/wp-content/uploads/2010/04/G-E-O-M-E-T-R-I-E.bmp"><img class="size-full wp-image-1427 alignleft" title="G E O M E T R I E" src="http://complexitys.com/wp-content/uploads/2010/04/G-E-O-M-E-T-R-I-E.bmp" alt="G E O M E T R I E" width="200" height="150" /></a></p>
<p style="text-align: justify;"><strong>GEOMETRIE</strong></p>
<p style="text-align: justify;">Repérage du positionnement des arêtes et du boyau sur une sphère.</p>
<p style="text-align: justify;">.</p>
<p style="text-align: justify;">.</p>
<p style="text-align: justify;">.</p>
<p style="text-align: justify;"><a href="http://complexitys.com/wp-content/uploads/2010/04/FA-M-I-L-L-E-D-E-S-C-I-R-C-U-M-A-M-B-U-L-ATO-I-R-E-S.bmp"><img class="size-full wp-image-1429 alignleft" title="FA M I L L E D E S C I R C U M A M B U L ATO I R E S" src="http://complexitys.com/wp-content/uploads/2010/04/FA-M-I-L-L-E-D-E-S-C-I-R-C-U-M-A-M-B-U-L-ATO-I-R-E-S.bmp" alt="FA M I L L E D E S C I R C U M A M B U L ATO I R E S" width="203" height="149" /></a></p>
<p style="text-align: justify;"><strong>FAMILLE  DES  CIRCUMAMBULATOIRES</strong></p>
<p style="text-align: justify;">Sculptures des formes. C’est une des manières les plus simples de faire le tour d’un ensemble.<br />
Chaque graphe symbolise un déployé des arêtes (frontière des circulations) sur un plan 2D. Ils sont utilisés comme repères graphiques identitaires. Le plan de mutation des virus est aussi une nomenclature qui les situe dans un réseau de mutation.</p>
<p style="text-align: justify;">.</p>
<p style="text-align: justify;"><a href="http://complexitys.com/wp-content/uploads/2010/04/P-L-A-N-D-E-M-U-TAT-I-O-N-D-E-S-V-I-R-U-S.bmp"><img class="size-full wp-image-1432 alignleft" title="P L A N D E M U TAT I O N D E S V I R U S" src="http://complexitys.com/wp-content/uploads/2010/04/P-L-A-N-D-E-M-U-TAT-I-O-N-D-E-S-V-I-R-U-S.bmp" alt="P L A N D E M U TAT I O N D E S V I R U S" width="324" height="217" /></a><strong>PLAN  DE MUTATION  DES  VIRUS</strong><br />
Chaque graphe symbolise un déployé des arêtes (frontière des circulations) sur un plan 2D. Ils<br />
sont utilisés comme repères graphiques identitaires. Le plan de mutation des virus est aussi une<br />
nomenclature qui les situe dans un réseau de mutation.</p>
<p style="text-align: justify;">.</p>
<p>.</p>
<p>.</p>
<p>.<br />
<img class="alignleft" src="http://complexitys.com/wp-content/uploads/2010/04/C-H-E-M-I-N-S-D-E-C-I-R-C-U-M-A-M-B-U-L-ATO-I-R-E-S.bmp" alt="" width="201" height="145" /></p>
<p><strong>CHEMINS  DE CIRCUMAMBULATOIRES</strong></p>
<p style="text-align: justify;">Si l’on fait rouler une circumambulatoire sur un plan en 2D, on obtient un cheminement dessiné par ses arêtes qui correspond à l’occupation du labyrinthe sur une sphère. Ce cheminement est continu puisque le labyrinthe est cyclique. Chaque chemin, ci-contre, est celui du centre de gravité se situant au milieu de ceux dessinés par les arêtes. Chaque chemin, ci-contre, est celui du centre de gravité se situant au milieu de ceux dessinés par les arêtes.<br />
Chaque étape de mutation peut être soumise à une variation de cheminement induite par la dimension et le positionnement des arêtes sur le volume.<br />
Trois des quatre formes sont issues du même type de labyrinthe (identité) ce n’est que l’agencement de leurs arêtes qui fait varier leur forme et leur cheminement.<br />
La quatrième (Motte boyau) ne peut avoir qu’une exploitation partielle de la forme, sur l’une ou l’autre de ses faces, ces empreintes sont les frontières du labyrinthe et font apparaître les caractéristiques de l’identité graphique que l’on retrouve sur le plan de mutation.</p>
<p style="text-align: justify;"><strong>PROTOCOLE DE CONSTRUCTION DE LA MOTTE:</strong></p>
<p style="text-align: justify;">Construction d’un circuit évolutif occupant un territoire sphérique par un chemin d‘une largeur constante<br />
avec un recouvrement optimal,constitué de cônes de roulement tangent à une sphère (stabilité du centre de<br />
gravité) dont la trajectoire décrit un motif giratoire ternaire constitué de trois volutes.<br />
<span style="text-decoration: underline;"> MODÉLISATION NUMÉRIQUE DE LA FORME:</span><br />
- Principe:</p>
<ul style="text-align: justify;">
<li>Obtenir une forme idéale dont le centre de gravité reste dans un plan parallèle au sol (pas de variation d’altitude) et qui en 3 rotations, revient à son point de départ.</li>
<li>Tenir compte des contraintes esthétiques.</li>
</ul>
<p style="text-align: justify;"><span style="text-decoration: underline;"> ÉTUDE DE LA CONCEPTION DE LA STRUCTURE</span><br />
- Principe :</p>
<ul style="text-align: justify;">
<li>Concevoir une forme tournant sur elle même et pouvant être en rotation pendant 6 mois Etudes du choix des matériaux, procédés d’obtention des formes de la sculpture, étude des contraintes mécaniques et résistances des matériaux&#8230;</li>
<li>Du système d’immobilisation de la Motte</li>
<li>De la nature de la piste sur laquelle tournera la Motte</li>
<li>Des contraintes extérieures (intempéries, lieu d’exposition&#8230;.)</li>
<li>Du plan de construction de la Motte (Montage et démontage, transport)</li>
<li>De la sécurité de l’accueil du public.</li>
</ul>
<p style="text-align: center;"><a href="http://complexitys.com/wp-content/uploads/2010/04/Première-phase-d’étude-de-la-structure.bmp"><img class="size-full wp-image-1446 aligncenter" title="Première phase d’étude de la structure" src="http://complexitys.com/wp-content/uploads/2010/04/Première-phase-d’étude-de-la-structure.bmp" alt="Première phase d’étude de la structure" /></a></p>
<p style="text-align: justify;"><a href="http://complexitys.com/wp-content/uploads/2010/04/Première-phase-d’étude-de-la-structure.bmp"></a>Première phase d’étude de la structure</p>
<p style="text-align: center;"><a href="http://complexitys.com/wp-content/uploads/2010/04/structure.bmp"><img class="size-full wp-image-1441 aligncenter" title="structure" src="http://complexitys.com/wp-content/uploads/2010/04/structure.bmp" alt="structure" /></a></p>
<p style="text-align: justify;"><span style="text-decoration: underline;">ÉTUDE SUR LA CONCEPTION ET RÉALISATION DU MANTEAU VÉGÉTAL</span><br />
Principe:</p>
<ul style="text-align: justify;">
<li>Concevoir un tapis végétal permettant la croissance des plantes pendant une période de 6 mois minimum, tenant compte de l’érosion due à la rotation, de l’arrosage et des apports nutritifs</li>
</ul>
<p style="text-align: justify;">Etudes:</p>
<ul style="text-align: justify;">
<li>Conception de coques positionnables sur la Motte ou coque intégrée à la structure (choix à faire) en tenant compte des contraintes de poids, de résistance aux efforts due à la rotation.</li>
<li>Sélection des végétaux et suivi horticole</li>
</ul>
<p style="text-align: justify;"><span style="text-decoration: underline;">SYSTÈME DE MOTORISATION</span><br />
Principe:</p>
<ul style="text-align: justify;">
<li>la Motte doit avancer selon sa trajectoire, de manière lente et le moins chaotique possible, à la vitesse de 1 à 5 m/mn</li>
</ul>
<p style="text-align: justify;">Etudes:</p>
<ul style="text-align: justify;">
<li>Système de motorisation par transfert de masse : soit avec un “petit train”, soit tout autre système</li>
<li>(électromagnétique …)</li>
<li>robotisation du mécanisme (système piloté par ordinateur)</li>
</ul>
<address style="text-align: center;"><a href="http://complexitys.com/wp-content/uploads/2010/04/hydraulique.jpg"><img class="alignnone size-full wp-image-1440" title="hydraulique" src="http://complexitys.com/wp-content/uploads/2010/04/hydraulique.jpg" alt="hydraulique" width="459" height="310" /></a></address>
<address style="text-align: justify;">Aujourd&#8217;hui la motte est un prototype  de 2 m50 de diamaitre et avance grace à un systeme de pompe Motorisation hydraulique avec un système de réservoir</address>
<p style="text-align: justify;"><span style="text-decoration: underline;">SOURCES D’ÉNERGIE POSSIBLE</span></p>
<ul style="text-align: justify;">
<li>Principe: la Motte doit avoir une autonomie de 20H minimum</li>
<li>Etude: choix du mode de stockage (accumulateurs, piles à combustible&#8230;)</li>
</ul>
<p style="text-align: justify;"><a href="http://www.diderot.org/download.do?fileId=358">http://www.diderot.org/download.do?fileId=358</a></p>
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		<title>developable surfaces</title>
		<link>http://complexitys.com/geometry/developable-surfaces/</link>
		<comments>http://complexitys.com/geometry/developable-surfaces/#comments</comments>
		<pubDate>Thu, 08 Apr 2010 10:00:37 +0000</pubDate>
		<dc:creator>G. k.</dc:creator>
				<category><![CDATA[constructivity]]></category>
		<category><![CDATA[Engineering]]></category>
		<category><![CDATA[geometry]]></category>
		<category><![CDATA[3D]]></category>
		<category><![CDATA[culture]]></category>
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		<guid isPermaLink="false">http://complexitys.com/?p=1335</guid>
		<description><![CDATA[/// This article is extracted from Mårten Nettelbladt&#8217;s works. Have a look to his reasearch blogs, here and here /// DEFINITION. Forms are called &#8216;developable&#8217; or &#8216;single curved&#8217; when they can be created through ordinary bending of a planar surface without stretching, cutting or wrinkling the material. These surfaces are characterized by only bending in [...]]]></description>
			<content:encoded><![CDATA[<p>/// This article is extracted from Mårten Nettelbladt&#8217;s works. Have a look to his reasearch blogs, <a href="http://thegeometryofbending.blogspot.com/">here</a> and <a href="http://thegeometryofbending.blogspot.com/">here</a> ///</p>
<p><strong><span style="text-decoration: underline;">DEFINITION</span></strong>. Forms are called &#8216;developable&#8217; or &#8216;single curved&#8217; when they can be created through ordinary bending of a planar surface without stretching, cutting or wrinkling the material. These surfaces are characterized by only bending in one direction at a time, like the cylinder or the cone. Developable surfaces are useful because they allow round forms to be made out of flat materials like plywood, sheet metal or cloth. This is why they are used for ship building, tent sewing and fabrication of ventilation ducts etc.</p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/e14.jpg.jpeg"><img class="alignnone size-full wp-image-1344" title="e14.jpg" src="http://complexitys.com/wp-content/uploads/2010/04/e14.jpg.jpeg" alt="e14.jpg" width="420" height="420" /></a><span id="more-1335"></span></p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/e14.jpg.jpeg"></a><strong><span style="text-decoration: underline;">DOUBLE CURVED</span></strong>. Surfaces that bend in two directions at the same time and cannot be made out of a flat material are called &#8216;double curved&#8217;. The sphere and the saddle are examples of such surfaces (no double curved surfaces are developable). &#8216;Ruled surfaces&#8217; are constructed from straight lines and are either developable or double curved. Because they appear to be straight in one &#8216;direction&#8217; they can be mistaken for developable surfaces when they are in fact double curved.</p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/e24.jpg.jpeg"><img class="alignnone size-full wp-image-1345" title="e24.jpg" src="http://complexitys.com/wp-content/uploads/2010/04/e24.jpg.jpeg" alt="e24.jpg" width="420" height="420" /></a></p>
<p><strong>TYPES. four types of developable surfaces:</strong></p>
<p>1. <strong>Cylindrically developable</strong>. A curve extruded straight, creating a surface with a constant section. If the curve is a circle, the surface will be a cylinder.</p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/Sans-titre-1.jpg"><img class="alignnone size-full wp-image-1346" title="Sans titre-1" src="http://complexitys.com/wp-content/uploads/2010/04/Sans-titre-1.jpg" alt="Sans titre-1" width="420" height="166" /></a></p>
<p>2. <strong>Conically developable</strong>. A curve extruded towards a focal point results in a surface with a section varying in size. A circle shaped curve produces a cone.</p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/Sans-titre-2.jpg"><img class="alignnone size-full wp-image-1347" title="Sans titre-2" src="http://complexitys.com/wp-content/uploads/2010/04/Sans-titre-2.jpg" alt="Sans titre-2" width="420" height="166" /></a></p>
<p>3. <strong>Poly-conically developable</strong>. Surfaces of the two first categories joined together create a composite surface consisting of conical (and cylindrical) segments.</p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/Sans-titre-4.jpg"><img class="alignnone size-full wp-image-1348" title="Sans titre-4" src="http://complexitys.com/wp-content/uploads/2010/04/Sans-titre-4.jpg" alt="Sans titre-4" width="420" height="166" /></a></p>
<p>4. <strong>Super-poly-conically developable</strong>. If a poly-conic surface (type 3) changes focal point momentarily, the resulting surface curves in a smoother way and can no longer be divided into segments.</p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/Sans-titre-3.jpg"><img class="alignnone size-full wp-image-1349" title="Sans titre-3" src="http://complexitys.com/wp-content/uploads/2010/04/Sans-titre-3.jpg" alt="Sans titre-3" width="420" height="166" /></a></p>
<p>from: <a href="http://www.omkrets.se/">http://www.omkrets.se/</a></p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/Bollar-hela-raden-3-9.png.png"><img class="alignnone size-medium wp-image-1352" title="Bollar-hela-raden-3-9.png" src="http://complexitys.com/wp-content/uploads/2010/04/Bollar-hela-raden-3-9.png-590x109.png" alt="Bollar-hela-raden-3-9.png" width="590" height="109" /></a></p>
<p><a href="http://thegeometryofbending.blogspot.com/">http://thegeometryofbending.blogspot.com/</a> (I&#8217;m looking at the type of bending that is elastic (not plastic), meaning the material will spring back to its original shape when the force is released. Most materials break or deform permanently before they can reach an &#8216;elastic and beautiful curve&#8217;, but I think all &#8216;elastic deformation&#8217; follow the same principals and therefore the same geometry.</p>
<p>/// This article is extracted from Mårten Nettelbladt&#8217;s works. Have a  look to his reasearch blogs, <a href="http://thegeometryofbending.blogspot.com/">here</a> and <a href="http://thegeometryofbending.blogspot.com/">here</a> ///</p>
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		<title>Light poem ?</title>
		<link>http://complexitys.com/art/light-poem/</link>
		<comments>http://complexitys.com/art/light-poem/#comments</comments>
		<pubDate>Tue, 06 Apr 2010 10:52:11 +0000</pubDate>
		<dc:creator>G. k.</dc:creator>
				<category><![CDATA[art]]></category>
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		<category><![CDATA[steel]]></category>

		<guid isPermaLink="false">http://complexitys.com/?p=1296</guid>
		<description><![CDATA[Sunspace for Shibukawa (2009) Installation at Hara Museum &#8211; ARC Shibukawa, Japan by Olafur Eliasson http://www.olafureliasson.net/ from archiact.]]></description>
			<content:encoded><![CDATA[<p><span style="text-decoration: underline;">Sunspace for Shibukawa (2009)</span></p>
<p><a href="http://complexitys.com/wp-content/uploads/2010/04/Sunspace-for-Shibukawa.jpeg"><img class="alignnone size-medium wp-image-1312" title="Sunspace for Shibukawa" src="http://complexitys.com/wp-content/uploads/2010/04/Sunspace-for-Shibukawa-590x786.jpg" alt="Sunspace for Shibukawa" width="590" height="786" /></a></p>
<p><span id="more-1296"></span><img src="http://complexitys.com/wp-content/uploads/2010/04/shibukawa.jpeg" alt="" /><img src="http://complexitys.com/wp-content/uploads/2010/04/1950-c1cf88fc30979847b89f794b122b9d5d.jpg.jpeg" alt="" /><a href="http://complexitys.com/wp-content/uploads/2010/04/model-room1.jpeg"><img class="alignnone size-full wp-image-1298" title="model room1" src="http://complexitys.com/wp-content/uploads/2010/04/model-room1.jpeg" alt="model room1" width="500" height="350" /></a><a href="http://complexitys.com/wp-content/uploads/2010/04/model-room3.jpeg"><img class="alignnone size-full wp-image-1299" title="model room3" src="http://complexitys.com/wp-content/uploads/2010/04/model-room3.jpeg" alt="model room3" width="500" height="350" /></a><a href="http://complexitys.com/wp-content/uploads/2010/04/model-room4.jpeg"><img class="alignnone size-full wp-image-1300" title="model room4" src="http://complexitys.com/wp-content/uploads/2010/04/model-room4.jpeg" alt="model room4" width="500" height="350" /></a><a href="http://complexitys.com/wp-content/uploads/2010/04/model-room5.jpeg"><img class="alignnone size-full wp-image-1301" title="model room5" src="http://complexitys.com/wp-content/uploads/2010/04/model-room5.jpeg" alt="model room5" width="500" height="350" /></a><a href="http://complexitys.com/wp-content/uploads/2010/04/model-room6.jpeg"><img class="alignnone size-full wp-image-1302" title="model room6" src="http://complexitys.com/wp-content/uploads/2010/04/model-room6.jpeg" alt="model room6" width="500" height="350" /></a><a href="http://complexitys.com/wp-content/uploads/2010/04/model-room.jpeg"><img class="alignnone size-full wp-image-1303" title="model room" src="http://complexitys.com/wp-content/uploads/2010/04/model-room.jpeg" alt="model room" width="500" height="350" /></a></p>
<p>Installation at Hara Museum &#8211; ARC<br />
Shibukawa, Japan</p>
<p>by <strong>Olafur Eliasson</strong><br />
<a title="http://www.olafureliasson.net/" href="http://"> http://www.olafureliasson.net/</a></p>
<p>from <a href="http://archiact.fr/">archiact</a>.</p>
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