Zink printers use special paper with embedded chemicals that create the image by changing color when heated. Dye sub printers also use special paper, but in combination with a dye-infused roll ...

Commercial dye-sub printers are expensive, but there’s a cheaper route in the form of an Epson printer that can be converted. This in turn prints onto a transfer paper, from which the ink is ...

A DLP 3D printer works by shining light into a vat of photosensitive polymer using a Digital Light Processing projector, curing a thin layer of the goo until a solid part has been built up.