hyperbola hyperbola 0 0 0 30 10
revsurf rs_hyperbola hyperbola 0 400 0 1 0 0
offset rs_hyperbola_of rs_hyperbola 5
offset rs_hyperbola_of_of rs_hyperbola_of 5
mkface result rs_hyperbola_of_of .3 .5 .3 .5
set MaxFTol 9.9999999999999995e-08
set MaxETol 1.591929416817199e-07
set MaxVTol 1.5919294168171995e-07