出后托盤包裝難題斯圖爾特棺材（STC#222）

Out-Back Tray-packing puzzle by Stewart Coffin (STC #222) Fit all five pieces into the rectangular opening. Out-Back is one of a series of tray-packing puzzles by Stewart Coffin. It seems impossible at fit, but it isn't... if it seems like the pieces just won't fit the way you expect, or the tray size is just a little bit off... don't worry! There's nothing wrong with the model or your printer. Keep trying. (The other puzzles in the series can be found on the Stewart Coffin Puzzles collection page.) Out-Back is a lovely, elegant design: how does one make room for that tiny, fifth piece? It's a wonderful puzzle that deserves to be in everyone's collection. Printing Itructio Print one copy each of and . Optionally, you may print as well, which is a lid that fits over the tray for easy storage. The Printable Puzzle Project The Printable Puzzle Project aims to make available high-quality open-source models of many puzzle desig. All of our models are posted with the generous permission of their designe and are liceed for non-commercial use only. Anyone may print copies for their own peonal use, but selling or otherwise monetizing them is not permitted, and puzzle designe retain all rights as copyright holde of their work. Our puzzles are modeled using the open-source puzzlecad library. The .scad file is included with this model in case you want to modify any of its design paramete; more information on how to do this can be found in the PPP Puzzle Modeling tutorial. About the Designer Stewart Coffin has been called "the most outstanding designer and maker of interlocking puzzles that the world has ever seen". He is credited with over four hundred desig, has pioneered numerous ingenious puzzle forms, and has written exteively about puzzle design and craftsmahip. More information on Coffin, along with many other printable models of his desig, can be found on the Stewart Coffin Puzzles overview page. Happy puzzling!