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Join tool crashes blender in certain case
Closed, ResolvedPublic

Description

System Information
Win8.1 64bit | GTX680

Blender Version
Broken: 2.72.2 5604a3d

Short description of error
When using Join tool (shortcut J) in the attached case, Blender can easily crash or just become slow.

Exact steps for others to reproduce the error
Open attached file, switch to Edit mode of either objects in the scene, then Press J.

Thanks for checking.

Details

Type
Bug

Event Timeline

Leon Cheung (leon_cheung) set Type to Bug.
Leon Cheung (leon_cheung) created this task.
Leon Cheung (leon_cheung) raised the priority of this task from to Needs Triage by Developer.

Can confirm that it becomes quite slow (didn't have a crash here). This might come from the weird mesh architecture you've created :D. You could try to flip some normals, this helped here.
Anyway, I'm not sure this is a real bug. Would you mind checking this @Campbell Barton (campbellbarton)?