K40 Smoke Assist for 50mm fan

This is a magnetic fan mount for a K40 laser engraver / cutter.

For each fan, you'll need:
* 3mm plywood
* 50mm fan, 40mm between the center of the bolt holes
* 2 to 4 #6 machine bolts, 3/4" long
* 2 to 4 #6 nuts
* 1 9.5mm magnet
* Tape
* Wood glue

Assembly:
1. Cut out the wood parts from the plywood
1. Assembly the wood parts with wood glue
1. Put tape across the bottom of the base
1. Drop the magnet in the hole, sticking it to the tape
1. Place the fan in the wooden mount (lo