A camera captures images of the patterns of light and dark on the model, math happens, and 3d data is spit out of a computer. [Jas] found a Microvision SHOWWX laser pico projector on Woot.

More information: Lorry Mazzella et al, Extended-depth of field random illumination microscopy, EDF-RIM, provides super-resolved projective imaging, Light: Science & Applications (2024).

One needs coherent light for a start, and it generally only gets touchier from there. But now researchers describe a new kind of holographic camera that can capture a scene better and faster than ...