Anamorphic Fun January 2nd, 2020
Patrick Stein

I want to make some bookshelf dioramas like these ones by Monde. I also want to make some that take more liberties with the limited space available. So, I am thinking about using forced perspective to create extra depth. I’m also thinking of some designs that could use right-angled mirrors to snake height into depth.

I also want to create extra width (and height) though. Not just depth. How can I do that? I can use anamorphic illusions to make things appear to stretch beyond the edges of the box. And, I can force the viewer to only view it from the illusory angle and enhance the illusion of space if I make the diorama viewable through a peephole.

So, I started experimenting yesterday with anamorphic projection onto the inside of a narrow box for viewing through a peephole.

I used the cl-svg to create grids like this that look flat when viewed (from the correct distance) through the peephole linked above.

Then, I used cl-jpeg to create images that when printed and folded into the interior of a diorama look as if the image extends beyond the sides of the diorama.

If you print this as 72dpi and then fold on the white lines, it will look like a flat, square image with the letters AB on it when you look down into it.

Then, I combined the two.

If you print this as 72dpi and then fold on the white lines, it will look like a flat, square image with the letters AB on it when you look down into it through a 200-degree peephole.

Here is the full source code (peephole.lisp) used to generate the grid and the anamorphic images.

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