Trap tile dispenser
I got tired of messing with stacks of trap tiles for the board game Temple of Elemental Evil, so I made this dispenser. With this, you just put the tiles into the top (face down, of course) and push and release the button at the bottom to dispense them one at a time. Unfortunately, I don't have any pictures of the one I made, because I left it with my friend who has the game.
For best results, print two of the springs and flip one over on top of the other, then put one end inside the button before sliding that into the main piece. Or you can just get a real spring and use that instead. Regardless, you will probably need to smooth the sides of the button and the part it goes into, and I found rubbing some paraffin on them helped, too.