Freestyle (software)

Freestyle

Developer(s)| Emmanuel Turquin, Stéphane Grabli
Stable release|

2.2.0 / March 5, 2008; 17 years ago (2008-03-05)

Written in| C++
Operating system| Linux, Mac OS X, Microsoft Windows
Type| Renderer
License| GNU General Public License
Website| http://freestyle.sourceforge.net/

Freestyle is a free, open source renderer for non-photorealistic line drawing from 3D scenes.

## Model

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The program uses a shader script model inspired by the RenderMan Shading Language, allowing different shading styles to be written as a script that's interpreted at the render time. The different rendering styles are based on "style modules" that are written in Python programming language.[1]

The stand-alone program, which uses OpenGL and the Qt widget toolkit, can render images based on .3ds files. The stand-alone version of Freestyle is not under active development anymore, since 2008.

Freestyle is integrated with Blender as of version 2.67.[2] The Freestyle version integrated with Blender is under active development.[3]

## See also

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* Free and open-source software portal

* Aqsis
* Pixie (renderer)

## References

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1. ^ Stéphane Grabli; Emmanuel Turquin; Frédo Durand; François Sillion (June 2004). "Programmable Style for NPR Line Drawing". ACM Press. Retrieved 23 June 2013.
2. ^ "Blender 2.67: Freestyle Line Rendering Engine". May 2013. Archived from the original on 6 June 2013. Retrieved 23 June 2013.
3. ^ "Freestyle integration into Blender". Retrieved 23 June 2013.

## External links

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* Official website
* Freestyle on SourceForge.net
* Blender NPR about Freestyle

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