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Comment by Cassie Thibodeau on June 11, 2015 at 4:39pm

Looking for experienced Rhino modelers who are interested in an freelance project with NVIDIA.  contact me for details.  cthibodeau(at)nvidia(dot)com

Comment by Remy (RMDeveloppements) on May 6, 2015 at 2:26am

Bonjour à tous et à toutes,


Il est important de noter qu’il y a un cruel manque de documentation sur grasshopper en Français.


Il y a un support de cours que j’avais écrit pour la version 0.8 mais grasshopper est maintenant doté de plein de fonctionnalités non présentées dans ce support.


C’est pourquoi j’inaugure aujourd’hui le premier Wikia collaboratif sur grasshopper nommé Grasshopper 3D.

Vous le trouverez sur cette page :


Qu’en pensez-vous ?


PS : Wikia est un site communautaire auquel n'importe qui peut contribuer.

Découvrez, partagez et ajoutez ce que vous savez !





Comment by Mike Fleck on September 2, 2014 at 10:48pm

I am interested in using Python to try and get 2d Gcode for my lathe bypass my CAM software, but while looking into it I am wondering if Grasshopper could do the same job with the added benefit of real time  code changes when 2d geometry is adjusted. Wondering anyone is doing something like this and how its working.

Comment by wout zweers on June 29, 2014 at 6:59am

hi everybody

here is a downloadable box constructor. it makes a box with square joints, you can set dimensions, thickness, amount of joints and cutting tool diameter. i wrote it a while ago and it's tested and works fine for my laser cutter (cardboard, wood, acrylics). 

even though it works well, it may not be the most elegant coding so any comments are welcom to learn from

btw. is there any repository for sharing grasshopper definitions?

enjoy, wout zweers

Comment by Filippo Donat on October 11, 2013 at 2:12am

Hi there, is anyone aware of an option in Rhino to test whether two 3D objects (with irregular shape) are similar given some similarity criteria provided as inputs? Any clue’s appreciated. Thanks

Comment by zhuoming on October 10, 2013 at 1:48am

Martin Siegrist :

Think you very much , I succeed !

Comment by Martin Siegrist on October 9, 2013 at 11:29pm

I used a Split component (Sets, Text) to split the lines into 4 values. Then explode and plug into a Construct Point component (Vector, Point)

Comment by zhuoming on October 9, 2013 at 7:43pm


I want to get the result as drawing,how to do ?

Comment by Martin Siegrist on September 21, 2013 at 3:06am

Here's what you need to do:

1. in your spreadsheet, delete column B. It is empty and I guess not needed. This will make it easier to retrieve the right data afterwards. I made an example spreadsheet, since your file was not provided...

2. compute X values, marked blue in my spreadsheet. You can see how the first item is empty, it says <empty>. This needs to be culled, so cull index 0. Now you only need the first branch of that tree. That's done with aTree Branch component, you need to choose the first path {0;0}. This first path contains your X values

3. Do the same thing for Y values (orange), however flip the matrix first. Connect this branch to Y in the Pt component. You'll notice that by grafting Y in the point component you get a grid.

4. For the Z values, you need to cull the first row and column of your spreadsheet data. You see in my example that I culled item 0, flipped the matrix and culled again. 

5. I generated a mesh from points and mesh edges just to give an example....

Screenshots attached. 

Comment by OLu Fat on July 10, 2013 at 2:04pm


Im a beginner on rhino trying to create a 3D model to be exported to a CAD software. The challenge I am having is in processing the .txt file into a format usable by Rhino. I got some ideas online relating to importing .txt files as point clouds. It worked when i used simple XYZ points separated by commas (e.g




But the format of my .txt file is an array of X (vertical),Y(horizontal) and multiple Z values as shown in the attached image. Every time i import this file, I see nothing so i believe it has to do with the format of my .txt file. 

Does anyone have any advice on what to do? Thanks for your help


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