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Slic3r 1.2.9 consistently crashes for me on this model using my default settings.

However, if I set my number of perimeters to 2 instead of 3 before loading, then it succeeds.

There is clearly a bug in slic3r 1.2.9. I haven't been able to make sense of a stack backtrace yet since it is deep inside the perl interpreter it passes a null to memcpy.