OptionalradiusThe rounding radius in model units, used for every selected corner unless radiusList is
given.
OptionalradiusOne radius per entry of indexes, in the same order; needs indexes.
OptionalindexesCorners to round, counted from 0: corner i joins edge i to the next; a closed wire's last
corner joins its last edge to its first. Omit for all.
OptionaldirectionNot used: each corner is rounded in the plane of the two edges that meet there. It is kept so that scripts which set it keep working.
The wire whose corners are rounded.
A wire, a radius and optional corner indexes for
fillets.fillet3DWire, which rounds the corners of a wire whether or not it lies in a plane.