http://zurbrigg.com/blue-pencil
Blue Pencil
Sketchpad for Maya
Blue Pencil is a plugin for Maya that brings 2D drawing to the 3D viewport. It is a multi-purpose tool that is useful for, but not limited to:- Grease Pencil - planning, annotation and illustration
- Animation - thumbnails, rough blocking and arc tracking
- Model layout and topology planning
- Shot review tool
- Tutorials and screencasting