Blender, recently improved its grease pencil tool, which was used for only quick 2d sketches in a 3d scene: http://aligorith.blogspot.com.ar/2015/12/grease-pen

Blender, recently improved its grease pencil tool, which was used for only quick 2d sketches in a 3d scene: http://aligorith.blogspot.com.ar/2015/12/grease-pencil-news-roundup-november.html http://aligorith.blogspot.com.ar/2015/12/grease-pencil-news-...