This definition is very simple, but incredibly useful.  It sorts a series of points based on distance and then creates connections based on that list.  The only slider in the definition is used to control the number of connections that are allowed.  The purpose of the definition being that it optimizes the placement of connections.

Connecting Points Grasshopper File

Note:Version of Grasshopper Used-(Grasshopper 0.6.0059)

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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 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″ insulation foam, but all of the dimension can be controlled in the definition.

Interconnected Loop Tile Grasshopper File

Note:Version of Grasshopper Used-(Grasshopper 0.6.0059)

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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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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)

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 what you see is what you get in illustrator, unlike CAD which requires multiple trials before the proper lineweights are applied.