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Material Boundary bug in Freestyle
Closed, ResolvedPublic


System Information
Win7 Ult x64 Sp1 + GeForce 880 GTS 512
Similar result on another (newer) machine with Win8.

Blender Version
Broken: 2.71, 2.70
Worked: 2.69 (supposedly based on tutorial)

Short description of error
In freestyle, all splitting options work normally except for 'Material Boundary'.

Exact steps for others to reproduce the error
With Freestyle activated and the following setup in Properties > Render Layers > Freestyle Line Style.
Chaining checked, all others unchecked
+ Thickness modifier 'Along Stroke'.

Checking Material Boundary seems to split some lines at angles even when min and max 2d angle are deactivated.

Test file available for 7 days on

Event Timeline

Bastien Montagne (mont29) triaged this task as Normal priority.

The creation of the new patch is much appreciated. Thank you (:

The test file seems expired. For further testing, the file is uploaded here.