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
