Grasshopper

algorithmic modeling for Rhino

I'm thinking of scripting a thing that unfolds a diagrid tube, such that it could be strips for laser cutting. The image below is something similar done by hand.

 

Anyone have experience?

 

I'm using a VB component written by Giulio Piacentino called newDiagonalsVB to aid this process.

 

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Here's a definition I've been working on to do something similar. It doesn't incorporate tabs like yours, but something like that shouldn't be too hard to add.
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Dear Andrew,

 

Thank you so much for sharing, I have some similar concept of mass adding the transforms together, despite I find it pretty frustrating to sort out the list managements, yours is a really nice work.

 

I have a much more complicated situation, first: my edges are not triangles, but in part of the diagrid as well.

 

I'll try adapt. Tell you the result later. tks again.

Cheers

Victor

Dear Andrew and all,

I have made some test piece that combined my logic of assembly and your unfolding technique, the result is pretty promising, you can follow the story here. I'll post a more comprehensive report later.

 

The script you shared is really helpful. 

 

Cheers

Victor

Hi Victor! I'm trying to creat a double curvature object, very similiar to the ones you presented on your website, I found your method fascinating and super effective!

I managed building a code that divides the surface into a pretty well orginized diagrid but i'm having a super hard time unfolding the geometry as you propose to two overlapping sets of strips. 

could you enlightening me on this subject? is your code available on your website? I couldn't find it.

Thank you very much for sharing your work, it helped me very much!

Alon

Hi Alon,

It was a very old and messy script. Couldn't find it + Doesn't work anymore due to version change.

If you look at Andrew's upload, my script had something that looks similar. It is based on a compound transformation to (rotate3D) each neighboring triangle method.

Ok sure thing, i'll try it!

thank you!

looking forward to seeing more of your work.

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