adamkuczek December 5, 2016 tutorial New tutorial on Gumroad adamkuczek December 5, 2016 tutorial AK-ART hits Gumroad! Following a free basics of Shade3D, the first project-based tutorial is up for the takers on Gumroad. In this Vol. 1, I go over modeling, shading, rendering and finishing an image in Photoshop. Head here to check it out.