Penguin is a conceptual, sketch and cartoon, non-photometric scan line renderer. With Penguin you can create stylized images of your models with an artistic look for enhanced graphic and visual appeal.

Penguin 2.0 for Rhino
Penguin 2.0 runs inside Rhino and has the same hardware requirements. Rhino with Penguin runs on ordinary Windows desktop and laptop computers.
Penguin works with Rhino 4.

Penguin 2.0 for AutoCAD
No special hardware is needed beyond what is required for AutoCAD.
Penguin 2.0 works with 3D models of AutoCAD 2004 to 2008, including AutoCAD Architecture and AutoCAD Mechanical.