You could generate sweet stereoscopic images with two differently colored foils placed in an eyeglasses frame: https://en.wikipedia.org/wiki/Anaglyph_3D https:/

You could generate sweet stereoscopic images with two differently colored foils placed in an eyeglasses frame: https://en.wikipedia.org/wiki/Anaglyph_3D https://en.wikipedia.org/wiki/Anaglyph_3D