These are reversal images of a wooden frame I built, which holds two sheets of glass, between which are suspended wooden letters that spell out 'Close Up'. The left hand image shows the letters in the frame (and also a green ruler which I placed on the frame for a moment to make it easier to ajust the focus, and then forgot to remove when I took the picture). The other two images are a stereo pair; the slight difference between them should make a three-dimensional stereogram. The next part of the process is to build another frame to hold the images, a viewing-frame. As ever, I will post an image of that as and when it is built.
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