Hollow the field into an inward shell of thickness IN PLACE, returning the SAME handle. Auto-reinitializes first if dirty; the result is dirty again (the shell re-introduces a kink).
thickness
handle
Hollow the field into an inward shell of
thicknessIN PLACE, returning the SAMEhandle. Auto-reinitializes first if dirty; the result is dirty again (the shell re-introduces a kink).