Boolean Intersection failed

Hi there

for a 3D Model I want to create a clean solid which only consists of one geometry.
For that I want to boolean intersect the group (see attached file) with a solid box which is slightly smaller to account for inaccuracies.
It does calculate for a while if I put in the command but after a moment it tells me that it failed.

Can someone tell me why or how to fix my issue?

Thanks so much!

Hi Jonas - there are a few problems - the main thing is the objects, and the faces and edges within the smaller object are far smaller than the file tolerance.

Here is an edge of one of the faces:

Length = 0.0016503272204616312

In addition there are many coplanar faces -

If the original was a mesh, I would work with the mesh. But set file tolerances to .0001.


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