Inspired by Devan Metz design, my own take on a simple counter using fewer magnets and a satisfying detent locking design.

After printing a sample I was pleased to see the operation is smoother than I would have even anticipated.  A few points to be aware of. I found the magnet holes were a little undersized. I drilled them up a hair and 10mm magnets friction fit so well no glue was needed. If you dont have a proper sized bit you might wanna consider the hole size for your application and change in model, i didnt change it because it is easier to me to remove material than add it after the fact. YMMV. I also clreaned out the concave detents a little and that improved the smoothness further. 

Magnetic Numerical Counter - Game

Designed with a 10.3 x 3.6mm recess for 10mm magnets

CounterDigits - 10mm Magnet.stl

CounterCover_-_6mm_Magnet.stl

CounterCover_-_10mm_Magnet.stl

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