Region Union Bug

Region Union doesn’t seem to be working.
Some region is missing. (6.6 KB)

If you force to make the two polylines have the same starting point, then It seems to works but still to be a buggy behavior. (7.4 KB)


Scaling the two curves by factor 1.0001 and the union works fine. It may not be a solution but it could prove that this is a tolerance problem.

Overlapping geometry is generally better for boolean operations / unions / intersections and such…

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In many cases like this Fit curve solve the problem


Thanks a lot! It works well!