Rhinoceros (or simply Rhino) - this is commercial software for three-dimensional NURBS modeling development Robert McNeel & Associates.

Rhinoceros can create, edit, analyze, and translate NURBS-curves, surfaces, bodies in Windows, giving you unprecedented freedom, flexibility, ease of modeling, even very sophisticated jewelry. The required accuracy for the design, prototyping, engineering design, analysis and production of various products - from aviation to the jewelry industry. Compatible with all your other design, drafting, CAM-, engineering, analytical, visualization, animation and illustration software. This software is so easy to learn and use, that you can focus on design and visualization without worrying about the features of the program.