Hi Chipp - I'm able to repeat that second one over here.
It looks like it's probably the mesher going crazy trying to deal with various mangled trimming boundaries in several different surfaces in there.
Here's one example one:
You can see there that the edges making up the trimming boundary are sticking out a long ways off of the actual surface control points. This particular kind of mangled boundary confuses the export mesher and makes it take a really long time to finish some of its calculations.
It's definitely a bug but probably more of a bug in the geometry construction code that built such a mangled boundary in the first place.
Probably to get it to export these particular mangled faces will have to be removed, I'll see if I can help you with that.
- Michael
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