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.
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Articles about tiling puzzles
How to Solve a Pentomino Puzzle: Area, Corners and Colours
Fill a board with the 12 five-square pieces. Check area and colour, mark tight corners, place awkward pieces first, then try a worked and a practice box.