Profile position

This parameter defines where is the curve used to make the chamfering. Indeed, according to the curve position, the calculation is not the same.

Bottom profile

The curve is the lower curve : bottom of the chamfer to realize.

Top profile

The curve is the upper curve : top of the profile to realize.

Dummy edge

The curve is the upper curve defined by the intersection of the faces to chamfer (useful when the chamfer is NOT defined on the part!)

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