Minecraft
Skin maker
Paint a classic 64 by 64 Minecraft skin. The canvas starts empty. The hat and jacket are the outer layer. Save a PNG for the launcher.
Hover the grid
Tools
Preview
Paint the grid and the model fills in. Drag to turn it.
Classic Java layout, 64 by 64. Drop the PNG on the Minecraft launcher skin screen. The hat and jacket sit on the outer layer.