How Do You Turn a Malfoid AI Portrait Into a Jigsaw Puzzle? Shared-Edge Pieces, a Cut-Once SVG, and the Crossing Test That Caught My Bug

November 10, 2026 Short answer: pick a grid whose pieces come out square (a 3:4 portrait gives 3×4 = 12, 6×8 = 48 or 9×12 = 108 pieces), generate every interior edge once with a random tab direction,