It starts with a photograph that gets transformed into a hologram and results in a 3D model made out of plastic-like material called gypsum. "It helps both the patient and the doctor," Dr. Tepper ...

And have you ever tried to hang a set of vernier calipers? So Park Tool designed some 3D models that let you print your mountable holders for hard-to-hold Park staples like the CT-15 Pro chain ...