[image] The top object, is the result of the solid difference, which for whatever reason doesn’t get out the spheres [image] But the analogous command bool difference within rhino, works fineish…

[Screenshot 2024-12-24 at 13.11.45] you need to flatten the second input of Solid Difference. (right mouse click on the input parameter))

Can't make a solid difference out of a collection of breps

Tom_P December 24, 2024, 9:52am 2

please post the .gh file with internalised geometry.

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