This definition was designed to facet any surface, into a grid that can the be divided up into perforated panels.  I’ve included the grasshopper file for people to play with, all thats required from rhino’s end is a series of curves to loft and an attractor point.

Perforation Panel Grasshopper File

Note:Version of Grasshopper Needed-(Grasshopper 0.6.0059)

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This little macro is really sweet for skewing rhino models into axonometrics.  Its important to note however that this will actually skew your model, save your model before you do this.

Just paste the following text into your menu bar:

! _Select _Pause _SetActiveViewport Top _Rotate 0 30 _SetActiveViewport Right _Shear w0 w0,0,1 -45 _SetActiveViewport Top _Zoom _All _Extents

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In my previous articles, my exploration of flocking has remained in the realm of a diagram.  This iteration is the first step in taking those conceptual thoughts and brining them to a more architectural level.   My previous diagrams generated a logic.  The logic consisted of a series of points that responded to one another and a series of vectors attached to those points.  The next step I took was in aggregating those collections of points.

The aggregations involved connecting the spheres of flocking’s origin points.  After the aggregation each of the flocks was connected to the next via a poly-line.  Those lines were the divided to create points, these points were affected by the semi circles, which effectively represent spheres of influence.  The points are then turned into floor plates.

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This Grasshopper definition uses a grid of points to generate a series of curves that respond to an attractor point.  This definition is a great example of using really simple and basic concepts of parametrics to accomplish a more complicated goal.  Essentially, all this definition is composed of is an attractor point that adjusts the curvature of a plane and an attractor point that adjusts the radius of circles that are projected onto that surface.  The small bit of vbscript at the end is used to split the circles from the surface.

Note:Version of Grasshopper Needed-(Grasshopper 0.6.0019)

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I’ve just uploaded a new tutorial based around the grasshopper plug-in for rhino, Louver Tutorial.  For those who don’t know about grasshopper, visit this link (Grasshopper).  In short, grasshopper is a plug-in for rhino that is used to generate parametric objects.  Its more or less a playground for creating relationships between geometries.  In the tutorial, I explain by example how to decompose a surface in order to map points along it.  These points become the start of a louver system, in which all kinds of relationships could be created to organize their generation.

Note:Version of Grasshopper Needed-(Grasshopper 0.6.0019)