Open Rhino. Disable the "Auto-complete" command popup (trust me). Start typing What (This tells you what an object is). Learn to see NURBS geometry.
Happy modeling.
Rhino 3D (McNeel’s Rhinoceros) is the industry standard for freeform surface modeling. Unlike solid modelers (Fusion 360, SolidWorks) or polygon sculptors (Blender, ZBrush), Rhino lives in a unique space: Precision NURBS modeling . Rhino 3d - Any Version - Beginner Level To Advanced Level