c56526d8b6
offset_meet creates offset lines that can't be directly intersected, so the average of the points on each offset line is 'dropped' onto the faces around the beveled vertex, which can depend on where the loop starts. This fix skips faces with the same normals as the "in plane" faces from build_boundary. Reviewed By: howardt Differential Revision: https://developer.blender.org/D6521