Laser creates a pattern, it's possible to change focus to make dots sharper and smaller in very close distance.
When you move camera, reflection moves, but green dots stay still. Also I'm making 3-5 shots for one laser position, then move laser to another place to highlight another area. It's ok for reconstruction.
Well, it's not good for every case. For flat or not much curved
mirror-metal surfaces it works ok. But for regular mirror and glass it
makes pairs of dots, not usable for reconstruction. For advanced object it
became a mess because you have to move laser too much
around every curved surface.
Ice cream spoon, about 99% Glossiness