line line 0 0 0 0 0 1 extsurf es_line line 1 0 0 trim es_line_tr es_line 0 30 0 50 mkface result es_line_tr 0 20 0 40 set MaxFTol 9.9999999999999995e-08 set MaxETol 9.9999999999999995e-08 set MaxVTol 9.9999999999999995e-08