video://www.youtube.com/watch?v=XUy8lELWhJg
Wow, check out this guy who’s drawn many 3D holograms by hand. I guess it’s just matter of some angles and hand work. It’s amazing work of art and might be a great example for future college classes on optics.
Scratch-holograms can be made on CD cases using a couple of thumbtacks poked through a stick. Or get fancy and use a professional compass and black painted polycarbonate. Or automate the process with a paperclip stuck into a motorized electric eraser.
Other interesting stuff at Zedomax.com: angles, cd cases, compass, electric eraser, optics, paperclip, polycarbonate, work of art
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