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FF_MERGE_FAILURE when extruding splines on solids

alexfranke

Senior Member
FF_MERGE_FAILURE when extruding splines on solids

I read somewhere that Alibre developers might be checking into this forum, so I thought I'd post this question here first.

I wrote an API app that imports TrueType/OpenType character glyphs into Alibre Design as sets of curves and polylines. The curves and lines seem to import properly, and analyzing the sketch shows no unusual or limiting features (for non overlapping fonts).

The problem is this: When the splines are on a sketch based on a plane that is the face of a solid, and the sketch is used for Extrude Cut or Extrude Boss, we see the error

Code:
FF_MERGE_FAILURE: failure in face-face intersection merging algorithm.

A tested work-around is to offset the design plane a slight amount from the surface, and then the extrude boss/cut words fine. However this is not ideal.

Any ideas what might be the problem here?

Thanks,
Alex Franke
 
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