beziercurve beziercurve_r 3 0 0 0 1 2 2 2 2 4 5 2 1
extsurf es_beziercurve_r beziercurve_r 0 0 1
trim es_beziercurve_r_tr es_beziercurve_r 0 1 0 1
trim es_beziercurve_r_tr_tr es_beziercurve_r_tr 0 .5 0 .5
mkface result es_beziercurve_r_tr_tr 0 .25 0 .25
set MaxFTol 9.9999999999999995e-08
set MaxETol 9.9999999999999995e-08
set MaxVTol 9.9999999999999995e-08