Arseniy Korablev presented his animated project and v1.7 of the tool.
A small animated piece demonstrates the possibilities of modeling in Polybrush. All modeling here is done in Polybrush, animation and rendering in 3ds Max and V-Ray.
Arseniy Korablev has also released v1.7 of the tool, which includes many important internal changes in brush library. Polybrush is now said to work much faster.
You can find more details on the modeling tool here.