Vilppu Drawing Manual Vol. 2: Add Depth with Spherical Forms
| Country | USA |
| Author | Glenn Vilppu |
| Binding | Kindle Edition |
| Format | Kindle eBook |
| IsAdultProduct | |
| Label | Vilppu LLC |
| Manufacturer | Vilppu LLC |
| PublicationDate | 2012-10-01 |
| Publisher | Vilppu LLC |
| ReleaseDate | 2012-10-01 |
| Studio | Vilppu LLC |