The shape whose edges, or whose corners for a flat wire or face, are rounded.
OptionalradiusThe rounding radius in model units, used for every selected edge unless radiusList is
given.
OptionalradiusOne radius per entry of indexes, in the same order; needs indexes.
OptionalindexesWhich edges to round, counted from 0 for filletEdges, or which corners, counted from 1 for
fillet2d; leave it out to round them all.
A shape, a radius and optional edge or corner indexes for
fillets.filletEdgesandfillets.fillet2d;radiusListpairs withindexeswhen both are given.