What Is a Visual Puzzle? Kinds, Rules and a Worked Example
A visual puzzle is solved by looking, comparing, folding or turning shapes. Its main kinds, how it differs from other puzzles, and what makes one fair.
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Articles about rep tiles
Rep-Tile Puzzles: How to Cut a Shape Into Copies of Itself
Learn to cut a shape into smaller copies of itself: count cells, fill tight corners first, avoid bad pockets, then try a worked and a practice puzzle.