The original blog post: Blender: Fake Sketch Material - Gappy Facets.
- The material is under CC-0 license.
- The 3d model is generated using the software Manuel Bastioni Lab created by Manuel Bastioni, and is licensed under CC-BY 4.0.
- The material is suit for single color world such as white, otherwise it reflects environment.
- For flat object, decrease bump.
- Stronger light can make it more sketchy.
- It is good to use with Freestyle.
- It doesn't require many rendering sample size, so easy to make animation with it.