Grasshopper

algorithmic modeling for Rhino

Hi All,

I've been struggling with a problem I hope you can solve.

I went over all the discussions and couldn't find a solution.

I modeled a minimal surface, using the great helpful info on this site. but I can't get a smooth surface or polysurface. you always see creases where the surfaces join.

I know it's possible, see ref images. So how is it done?

I know it's easily done with meshes by welding the vertices. but I need it in surfaces or breps so I can cleanly boolean them (impossible with meshes).

Attached screen grab of my minimal surface and 2 examples of what I want to achieve.

Please help,

Thank you.

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Making so many NURBS patches all meet smoothly across the seams is not an easy task.

I'd say that working with meshes would be easier (and I'd bet that those examples by Torolf Sauermann and Bathsheba Grossman you show were both modelled with meshes).

Why do you say clean booleans with meshes are impossible?

Hi Daniel,

Thanks for answering.

Booleans with meshes are not impossible, but many times will not come out clean like surface Booleans or not work at all.

Attached is the GH file of the mesh Boolean I'm trying, please have a look. it does nothing.

I was able to Boolean the object using a box, but not the revolved mesh.

Thank you!!

Attachments:

Clean booleans with meshes can be difficult but not impossible... 

Have a look at Daniel Piker's remeshing video or take a look at Groboto and the MeshFusion plugin they developped for Modo.

bye

Hi Frane,

Thanks for answering.

Daniel's remeshing technique, seems an overkill to try to achieve something as simple as this, as for the other suggestions I'm looking for solutions within GH and Rhino.

Thank you.

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