OpenNest does not accept my surfaces as input

Hi,

I am having a problem with nesting surfaces with opennest for grasshopper (https://www.food4rhino.com/app/opennest#downloads_list ). The example given by the maker does work, but mine does not. OpenNestExample191004_Problem.gh (307.9 KB)

cheers,
Bas

Internalize your breps

Sorry, I thought I did. Here is the file with the internalized data.OpenNestExample191004_Problem.gh (307.9 KB)

Use mesh

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Here you go. You have holes in there. That´s why. Easier as Seghier already suggested is to use a mesh.

OpenNestExample191004_Problem (1).gh (306.0 KB)

It only happens like that when your brep has 0 thikness. Like a trimmed surface and so on. It works just fine if you use an actual solid. Then remove the faces you don´t need from the nested geometry. Then you don´t need to separate the holes in the surface at all.

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thanks!

For nesting always try to simplify the outline to as least points as possible, here is an example that takes largest curve as input and reduces it to low-poly curves:

Answer.gh (312.6 KB)

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You can make it more simple, by finding bounding rectangle and orient object to xy plane
but the component Hull do all that

OpenNest4.gh (304.9 KB)

1 Like