Draw with 3d printer pen
According to the 3Doodler, ” this is the world’s first 3D printing pen. The 3Doodler can be used to make jewelry, toys, decorations, and so on in the air. This is the world’s smallest 3d printing pen you can watch” science videos” on Twitter. The 3Doodler’s website provides stencils and videos to help users come up with the idea”.