The draw tool allows you to create your own drawings and project them with your lasercube. When the draw app is selected, there are a number of drawing tools at your disposal: Pencil, Line, Bezier Curve, Rectangle, Ellipse, and Text. Be creative!
Drawings can be saved by clicking on the floppy disk icon which appears in the upper right portion of the draw app.
Video below shows in a few steps how draw app works: