--- /dev/null
+beziersurf bsurf 3 4 0 0 0 2 10 0 5 1 20 0 0 2 0 10 2 3 10 10 3 1 20 10 2 3 0 20 10 1 10 20 20 1 20 20 10 1 0 30 0 2 10 30 0 1 20 30 0 1
+offset bsurf_of bsurf 5
+offset r bsurf_of 5
+set MaxFTol 9.9999999999999995e-08
+set MaxETol 6.0150939702465477e-07
+set MaxVTol 6.0150939702465499e-07