Roller Latch

thingiverse

A DIY enthusiast's dream project comes alive with this simple roller latch for a door. By joining the two spherical halves together using adhesive, you can create a ball bearing that provides smooth operation. Next, add a spring to give your latch some much-needed tension and attach it to a backing plate secured with more glue. Finally, drill a hole in the door and watch as this clever contraption springs into action, allowing for effortless opening and closing of your door!