Wave 5 Packing Puzzle by Yuu Asaka - Made in Japan 5060520057354 | eBay
robin. on Twitter: "A jigsaw puzzle where all the pieces are corner pieces, by Yuu Asaka. (Image stolen from Reddit.) https://t.co/tsaFTJLnKS" / Twitter
Jigsaw Puzzle 19 by Yuu Asaka
Yuu Asaka Archives - Crux Puzzles
Yuu Asaka's puzzles look simple, but sneakily break all the rules