#945 Add (or create plugin) for export also in STL and no only OBJ

[mysourceforce]

Good day,
Ty for ur wonderful software.
My suggestion if add (or create plugin) for export in STL, because i use ur software and others for calc area surfaces and some free softwares support ony STL and no OBJ, so for now, i need of another software for convert OBJ in STL.
Ty very much for all.