<Right Arrow> & <Left Arrow> keys to rotate cube about the Y axis. <Up Arrow> & <Down Arrow> keys to rotate cube about the X axis. <a> and <z> keys to rotate cube about the Z axis. Try key combinations to rotate about several axes simultaneously. <1> for Tutorial 1 - Enter 3D Object Data using Vertices and Edges <2> for Tutorial 2 - How it Works - Rotating a 3D Object <X> to exit Tutorial; Arrow keys, Space or Mouse to navigate. Also "See inside" to see how the project works.