Nurbz

 

While the c-meshes include NURBS surfaces, they are frequently of a mixed character and also include facetted parts. In form·Z it is also possible to generate pure NURBS surfaces, which are specifically called nurbz. These are generated from control lines in ways similar to but also different from c-meshes. Available generation methods are by lofting, from boundary curves, from UV curves, and by points. These are illustrated below.