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.

Having built a few already, he designed and built an SLA/DLP 3D printer ... This open-source 3D printer was inspired by the Cristelia – SLA/LCD 3d printer and the Vulcanus MAX 3D printer ...

Liquid Crystal Display (LCD) 3D printing functions similarly to DLP, but this approach leverages an LCD screen to mask the UV light and display the desired layer shape. Image Credit: Scott Bader ...