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Lee Sallows' Self Tilers

Lee Sallows found these shapes that have the self-tiling property; they can be used to make larger versions of all the shapes in the set. This is a particularly nice set, because each shape is made up of one of each. In effect these pieces solve four different puzzles, given by themselves! The puzzle slider lets you see the four different outlines. The more box gives you more copies of the shapes. The design box lets you change the shapes. I saw these at Math Munch. Sallows' self-tiling post, with many more goodies and the Latin square of this tiling.