The Edge -

: In the "Summer Day on the River" version, 408 out of 512 pieces are edge pieces.

If you're struggling to put this specific piece together, enthusiasts from communities like r/Jigsawpuzzles and Facebook Puzzle Lovers suggest: The Edge

If you are referring to the product by , "The Edge" (often called the Edge Piece Puzzle ) is a uniquely challenging jigsaw puzzle where almost every piece has at least one flat edge. Unlike standard puzzles where edges provide an easy starting frame, this design removes that advantage by making the entire interior look like "edge" pieces. Key Features of "The Edge Piece Puzzle" : In the "Summer Day on the River"

: Developed by inventor Simone Giertz and sold through her shop, Yetch Studio . Assembly Tips for "Edge" Puzzles Key Features of "The Edge Piece Puzzle" :

: Popular designs include Summer Day on the River and Birthday Heist on the Hillside .

: It is designed to be "maddening" because the usual strategy of sorting by flat edges doesn't work.