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Boolean behavior - doesn't work depending on the size of objects and polycount (affected by applied transforms)
Open, Needs Information from UserPublic


System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.36

Blender Version
Broken: version: 2.81 (sub 14), branch: master, commit date: 2019-10-07 20:16, hash: rBa856c5eccffb
(Same behavior on 2.80)

Short description of error
Boolean is affected by object size and number of polygons.

**Steps :

  1. open the linked file
  2. read the instructions in viewport and use boolean to see by yourself ("shift ctrl +" or "shift ctrl -" with booltool enabled, or use a boolean modifier)



Event Timeline

Campbell Barton (campbellbarton) lowered the priority of this task from Needs Triage by Developer to Needs Information from User.Wed, Oct 9, 6:20 AM

Missing steps to redo the error (without an add-on).

Which object are you applying the boolean modifier to?

Marco (Spam_One) added a comment.EditedThu, Oct 10, 10:14 AM

Objects that are already placed in a overlapped manner, ready to get booled to see that it doesnt work, with the description over that explains you in which case it works / doesnt work.
Take any sphere or any cube and try to bool it with the overlapped mesh that it has on it.