Barrel Chest with Re-Keyable Lock

This barrel-shaped chest seemed like the perfect application for my re-keyable cylinder lock. The chest itself prints-in-place as a single piece and is sized to just fit on Prusa Mini+. It has one built-in break-away support in the place where the lock inserts. I printed it in PLA with 0.2mm layer thickness. Also set the perimeter line width to 0.43mm to make sure the thin-walled built-in support prints completely. After printing, flex the hinge to break it loose, and then pop out the built-in support where the lock goes. Sand of any raggedy bits inside the lock hole.The lock itself is a nice demonstration of how pin tumbler locks work, but it does take a little patience and a steady hand to assemble. The lock uses 4 sets of tumbler pins, which come in 4 different lengths, to give you 256 different lock/key combinations. Print one piece each of the lock-bezel, lock-cylinder, lock-back, key and key pins. Print two each of the other pins (pin250, pin300, etc.). I used a 0.15mm layer thic