Google's Cardboard Magnetic Switch

Currently in the design and R/D stage for my next 3D Printing / Mobile Phone Project. I wanted to utilize cardboard's magnet switch as a trigger to perform an action. Found a case to hold the magnets here on thingiverse. Took the concept and redesigned it as a demo device. This design requires no glue, everything should slot together because of the low tolerance between the top and bottom pieces. Actually, its easy to push together but very very hard to take it apart.

So I used some code fro