We are pleased to announce that XNurbs Rhino Plugin V5.0 is available and V4 customers can get a free upgrade to V5. V5 includes a number of enhancements, e.g., producing better surfacing quality, exporting a set of C/RhinoCommon APIs etc.
To help users to understand how to use x NURBS efficiently and correctly, we produced the following xNURBS tutorial videos: