Solid Intersection "Doesn't Work"

Hello Forum,

I am a Grasshopper newbie and would like to do a solid intersection, unfortunately, it doesn’t work.

Any idea what’s going wrong here? If someone can have a look, I appreciate it.


shelve1.gh (53.5 KB)

SolidDifference could take care of it, but your breps are fully intersecting each other, so they will break into separate pieces.

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Yes, SolidDifference works, maybe I can work with that. Thanks!

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Usually I stay away from solid booleans and work out all profiles and notches using curves/lines/surfaces (to favor speed).

Nonetheless here’s something you can do if you want to keep using the solids:
shelve.gh (53.0 KB)


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Usually I stay away from solid booleans and work out all profiles and notches using curves/lines/surfaces (to favor speed).

How do you approach this, roughly? How can the notches be created without using solid geometries?

Many thanks for your file; I played around with it this afternoon. The components used and their combination—BoundingBox + EvaluateSurface + FlipPlane—are new to me, very interesting.

I haven’t looked at any code in this thread but can answer this question. From here:

RegionDiff_2019Nov24a
full size

And from the same post:

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Thank you very much, Joseph! It seems like I just got a lot of material to chew on for Sunday afternoon. :sweat_smile: