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	<title>SketchyGrid&#187; SketchyGrid</title>
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	<description>Experiments in art, architecture, and urbanism.</description>
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		<title>Interconnected Loops: Part 1</title>
		<link>http://www.sketchygrid.com/index/architecture/interconnected-loops-part-1/</link>
		<comments>http://www.sketchygrid.com/index/architecture/interconnected-loops-part-1/#comments</comments>
		<pubDate>Sat, 29 May 2010 03:50:15 +0000</pubDate>
		<dc:creator>morrow.liam</dc:creator>
				<category><![CDATA[Architecture]]></category>
		<category><![CDATA[Tutorials]]></category>
		<category><![CDATA[Connected Loop]]></category>
		<category><![CDATA[Erwin Hauer]]></category>
		<category><![CDATA[Grasshopper]]></category>
		<category><![CDATA[Parametric]]></category>
		<category><![CDATA[System]]></category>
		<category><![CDATA[Tutorial]]></category>

		<guid isPermaLink="false">http://www.sketchygrid.com/?p=388</guid>
		<description><![CDATA[The interconnected wall stems from work originally proposed by Erwin Hauer, this example has been reworked in grasshopper and tested physically on a cnc milling machine. The definition is used to design panels which do not collide with each other.  It uses curves taken from rhino space to sweep2 a surface.  This surface is extruded; which creates a [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: left;">The interconnected wall stems from work originally proposed by <a href="http://www.erwinhauer.com/">Erwin Hauer</a>, this example has been reworked in grasshopper and tested physically on a cnc milling machine.  The definition is used to design panels which do not collide with each other.  It uses curves taken from rhino space to sweep2 a surface.  This surface is extruded; which creates a closed brep that is suitable for a difference component.  A cylinder is subtracted, then the piece is rotated 180 degrees to face the previous piece.  In this stage it is important to make sure that no edges are colliding, this can be done by adjusting either the curves or the radius of the cylinder.  My dimensions responded to the fact that I was cutting the object out of 2&#8243; insulation foam, but all of the dimension can be controlled in the definition.</p>
<pre><a href="/Files/ConnectedLoopTile.rar">Interconnected Loop Tile Grasshopper File</a></pre>
<pre>Note:Version of Grasshopper Used-(Grasshopper 0.6.0059)</pre>
<p style="text-align: center;"><span id="more-388"></span></p>
<p style="text-align: center;"><img class="alignnone size-medium wp-image-577" title="grid-Converted2" src="http://www.sketchygrid.com/index/wp-content/uploads/2010/05/grid-Converted2-400x300.jpg" alt="" width="400" height="300" /></p>
<p style="text-align: left;">The aggregation of the module starts with a standardized grid; this grid is then distorted to create variation within the wall.  It could easily be linked to some kind of attractor point (as was intended).  The actual grasshopper definition of aggregation was borrowed from <a href="http://www.tedngai.net/experiments/component-population-on-mesh.html">PinupSpace&#8217;s component population</a> page.  The definition is very simple; all it requires is a subdivided mesh, preferably with some kind of color information embedded.  However, if you haven&#8217;t worked that out you can always just attach a Mesh Color component to your mesh, this will pattern your mesh with a color.  PinupSpace&#8217;s script basically just breaks your mesh up into its color coded parts and then applies the selected module using a simple box-morph.  I&#8217;ve included their video at the bottom of the page.</p>
<p><a href="http://www.sketchygrid.com/index/wp-content/uploads/2010/05/Parametric-wall-211-150x150.jpg"><img class="size-full wp-image-581  alignleft" title="Parametric-wall-211-150x150" src="http://www.sketchygrid.com/index/wp-content/uploads/2010/05/Parametric-wall-211-150x150.jpg" alt="" width="150" height="150" /></a><img class="size-medium wp-image-582  alignright" title="wallrender" src="http://www.sketchygrid.com/index/wp-content/uploads/2010/05/wallrender-400x355.png" alt="" width="150" height="150" /><a href="http://www.sketchygrid.com/index/wp-content/uploads/2010/05/Parametric-wall-22-150x150.jpg"><img class="size-full wp-image-580 aligncenter" title="Parametric-wall-22-150x150" src="http://www.sketchygrid.com/index/wp-content/uploads/2010/05/Parametric-wall-22-150x150.jpg" alt="" width="150" height="150" /></a></p>
<p style="text-align: left;">Part of what made this project such a learning experience was the fabrication portion of it.  Our material choice for the project was 2&#8243; insulation foam.  This was mainly due to the contours that the router would need to cut.  Having never used the machine before, I had no idea what to expect in terms of accuracy.  I started with the preconception that the router would perfectly sculpt my 3d model.  This preconception was flawed in two respects, the first being that the router dropped every pass a slight amount in the z axis.  This meant you never really had a cut that was true to its digital counter part.  The second oversight was in the ability of the material to retain its rigidity after having half of it sculpted away.  A 2&#8242;x8&#8242; sheet of foam does not stay flat after that much of it is stripped away.</p>
<p style="text-align: center;"><a href="http://www.sketchygrid.com/index/wp-content/uploads/2010/05/Parametric-wall-02.jpg"><img class="alignnone size-medium wp-image-578" title="Parametric-wall-02" src="http://www.sketchygrid.com/index/wp-content/uploads/2010/05/Parametric-wall-02-400x267.jpg" alt="" width="400" height="267" /></a></p>
<p style="text-align: center;">
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<p style="text-align: left;">-Liam Morrow</p>
<p style="text-align: left;">
<p style="text-align: center;"><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="400" height="220" 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://vimeo.com/moogaloop.swf?clip_id=6996063&amp;server=vimeo.com&amp;show_title=1&amp;show_byline=1&amp;show_portrait=0&amp;color=&amp;fullscreen=1" /><embed type="application/x-shockwave-flash" width="400" height="220" src="http://vimeo.com/moogaloop.swf?clip_id=6996063&amp;server=vimeo.com&amp;show_title=1&amp;show_byline=1&amp;show_portrait=0&amp;color=&amp;fullscreen=1" allowscriptaccess="always" allowfullscreen="true"></embed></object></p>
<pre style="text-align: center;">-<a href="http://vimeo.com/6996063">Component Population On Mesh</a> from <a href="http://vimeo.com/user2347273">Ted Ngai</a> on <a href="http://vimeo.com">Vimeo</a>.</pre>
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		<item>
		<title>Tutorial Update:First Tutorial Added</title>
		<link>http://www.sketchygrid.com/index/tutorials/tutorial-updatefirst-tutorial-added/</link>
		<comments>http://www.sketchygrid.com/index/tutorials/tutorial-updatefirst-tutorial-added/#comments</comments>
		<pubDate>Mon, 24 Aug 2009 06:02:41 +0000</pubDate>
		<dc:creator>morrow.liam</dc:creator>
				<category><![CDATA[Tutorials]]></category>
		<category><![CDATA[CAD]]></category>
		<category><![CDATA[Illustrator]]></category>
		<category><![CDATA[Line Drawing]]></category>
		<category><![CDATA[Tutorial]]></category>

		<guid isPermaLink="false">http://www.sketchygrid.com/?p=167</guid>
		<description><![CDATA[This is the first tutorial with hopefully more to come.  You can find it in my tutorial section or follow this link Lineweight Tutorial. The tutorial is focused on the workflow between CAD and Illustrator, with the goal being a successful line drawing. This is how I do all of my line drawings. I prefer for the simple fact that [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: center;"><a href="http://www.sketchygrid.com/index/wp-content/uploads/final21.png"><img class="aligncenter size-large wp-image-168" style="border: black 1px solid;" title="Lineweight Tutorial" src="http://www.sketchygrid.com/index/wp-content/uploads/final21-1024x662.png" alt="final2" width="430" height="278" /></a></p>
<p>This is the first tutorial with hopefully more to come.  You can find it in my tutorial section or follow this link <a href="http://www.sketchygrid.com/index/wp-content/themes/blackneon/lines.php">Lineweight Tutorial</a>. The tutorial is focused on the workflow between CAD and Illustrator, with the goal being a successful line drawing. This is how I do all of my line drawings. I prefer for the simple fact that what you see is what you get in illustrator, unlike CAD which requires multiple trials before the proper lineweights are applied.</p>
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