The check that a loop does not jump across a spline surface's parameters took a
pole only within the face's tolerance. A corner patch written with one side
shrunk to a few µm (Poppy Humanoid's connectors: 5 µm in a 1e-5 mm file) was
refused, though the record check takes the same junction as a pole at the
tolerance of the vertex the uses meet at. The import check now uses that
vertex's tolerance; the loop runs along the collapsed side, its boundary iso
line. A jump that is still refused says whether the surface closes there.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
jyvikoandClaude Opus 5.5
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