Penguin is a simple sketch style rederer plug in for Rhino.

Modestly priced application for your desktop.

Ideal for designers who need concept illustrations to  look hand drawn.

Penguin offers:

Penguin details

Penguin brings freehand sketching, watercolor painting, cartoon-like rendering and technical illustration to Rhino.

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.

A free Evaluation version is available for Rhino 4.0

System requirements

   * Rhino: Penguin 2.0 works with Rhino 4.0 and has the same hardware requirements as Rhino.
     
    * 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.