Grasshopper

algorithmic modeling for Rhino

Hi,

I had some headaches last week trying to panel a sphere surface, and I remembered the Mesh Sphere from square patches, and decided to make a surface one. This is just a test, and that means it could be improved somehow. It is "smoother" than the Mesh Sphere, but I have the feeling this isn't the "right" way to do it.

Then I bake it and rebuild the surfaces Pt4Dg3, and here is the result:

But I wonder if there is a way to make something like this (which seem to be the "right" way to do it):

Def:

Thanks.

Views: 2338

Replies to This Discussion

Try weaverbird.

For the blue picture use: LEFT=teraeder, MID=cube, right=dodecaeder divide faces to your liking, and then project to a sphere.

There are many example defs if you google the forum.

Thank you Johan,

I'll liked your sugestion, thank you. But even with Weaverbird still is a aproximation of the sphere, I couldn't find a way to make a perfect and continuous sphere from nurbs surfaces, a mathematicaly "right" sphere, if there is such a thing.

Try this definition......

Attachments:

Hi Igor, thank you! (I know that was AN YEAR ago, ok..)

Using Lunchbox to generate the polyhedras its nice, thank you.

But my main intention is to creathe the sphere like in the image I made (the one with the blue sphere I found on the web), I wanted to know if there is a more accurate approximation than mine, or even a mathematicaly perfect way to do it.

Thanks taz! I can make very good aproximations, and the solids alone provide excelent pattern possibilities!

I still wonder on the possibility to draw a "perfectly round" sphere from square patches, but that really solve my patternig questions, thanks again.

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