ZenPuzzler: Not Your Elegant Hoffman Packing Puzzle - Inelegant Fake
ZenPuzzler: Petite Passel of Puzzles – 2D Packers
The Swiss Cheese 2D packing puzzle. All five pieces and the tray made of laser cut exotic hardwoods red alder and walnut. Designed and manufactured by William Waite, USA
Hoffman's packing puzzle - Wikipedia
PuzzleMad: Packing puzzles I can do....Almost!
Plus One - Wooden Packing Puzzle - Solve It! Think Out of the Box