addCornerFillet(s1, offset0.p1, offset1.p0, Orientation.CLOCKWISE, distance);
addCornerFillet(s1, offset0.p1, offset1.p0, orientation, distance); segList.addPt(offset1.p0);
addCornerFillet(s1, offset0.p1, offset1.p0, Orientation.CLOCKWISE, distance);
addCornerFillet(s1, offset0.p1, offset1.p0, orientation, distance); segList.addPt(offset1.p0);