It seems that the surface class has no method 'normal' although it is mentioned in the PDF file of the manual on page 93. Therefore, I utilize ' operations.normal' instead. Could you please let me know if the method 'normal' exists for the NURBS.Surface class?
It seems that the surface class has no method 'normal' although it is mentioned in the PDF file of the manual on page 93. Therefore, I utilize ' operations.normal' instead. Could you please let me know if the method 'normal' exists for the NURBS.Surface class?