Simple, reliable 2.5D photography
I’ve been interested in techniques where amateurs can digitize images and models for quite a bit. This website percolated to the top during today’s relaxing web browsing: it’s pretty spiffy, and is interesting on a couple of fronts, not the least of which is that the author designed the gearbox for tracking a laser using a CAD program which drove a CNC mill so that the parts could be cast. Very slick.