Penguin: A conceptual, sketch and cartoon, non-photometric scan line renderer for 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.

Conceptual, non-photorealistic renderer.
Easy to use, works seamlessly inside Rhino, and provides a host of features that speed and simplify image rendering for conceptual design or illustration purposes.
Fast. Quickly produces an image in the desired resolution.
Uses OpenGL rendering for fast results.
Works inside Rhino or AutoCAD. Render changes to the model immediately. You never need to export or start over.
Renders all models (except Flamingo or AccuRender plants).
Batch rendering through scripts.
Antialiasing with user control.
Can be combined with Flamingo or AccuRender renderings for true artistic results.
Two rendering modes (and more will be made available): sketch and cartoon.
Ability to create your own rendering styles based in these rendering modes.
Support for TGA, BMP, PCX, PNG and JPEG file formats.
Background bitmap.
Simulates hand drafting. It allows you to create images in styles that look like drawings using pencil, ink, chalk, pen marker, watercolor (and others).
Configurable parameters for the wavy or straight lines. Control over line width, intensity, and color.
Texture fill. Simulating pencil, watercolor. User definable texture fill styles.
Objects rendered with a limited number of shades and edges draw with a line to generate “illustration” drawings.
Controls the color and width of the silhouettes, borders, and creases.