For ill > go-> http://www.penguin3d.com/
Penguin brings freehand sketching, watercolor painting and cartoon-like rendering to Rhino and AutoCAD.
What is Penguin?
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 for Rhino
Hardware requirements
Penguin run inside Rhino and has the same hardware requirements. Rhino with Penguin runs on ordinary Windows desktop and laptop computers.