Open-source your face and 3D print your own pirate invisaligns

Amos Dudley, a broke undergrad, casted a mold of his teeth using "cheap alginate powder, Permastone, and a 3d printed impression tray," then 3D printed and vacuformed a series of alingment trays for a fraction of what it would have cost to get name-brand invisaligns. (more…)