Thinking about Curved Surfaces made from Bezier Curves

 From:  amur (STEFAN) 17 Jul 2018  (5 of 10) 
9011.5 
Hi Pilou,

check this illustration for a definition of a span:

https://knowledge.autodesk.com/support/alias-products/getting-started/caas/CloudHelp/cloudhelp/2018/ENU/Alias-Tutorials/files/GUID-44C90759-1812-4051-85BF-072140EE6623-htm.html

Regards
Stefan
some 3D doodles my keybase page