Interface_Static::SetCVal("xstep.cascade.unit","M");
Interface_Static::SetCVal("write.step.unit", "M");
Interface_Static::SetIVal("write.step.nonmanifold", 1);
Interface_Static::SetCVal("xstep.cascade.unit","M");
Interface_Static::SetCVal("write.step.unit", "M");
Interface_Static::SetIVal("write.step.nonmanifold", 1);