"Skull reference" is a reference eBook about skulls (340 pictures). 4 different skulls have been taken in picture on all sides, on various orientations and with changing light conditions At the end, there is a gallery of Tattoos about skulls. The "light table" mode allows you to copy the models on tracing paper without accidentally moving the picture on the tablet. It can be very convenient during conventions, when you don't have internet connection or real Light Table. 376 pages
You can also get it in the Inkers app
