Step 4Drill the Holes
I recommend using a brad point drill bit. It has a sharp point in the center that is great for aligning the bit to the small pin-hole mark. It also makes a "flatter" hole which is more suitable for gluing magnets into.
So here we go: Hold the half tightly, keeping the cut edge parallel with the drill press table. Slowly drill the hole, a little at a time. Remember, the magnet is only about a millimeter thick! Test the depth of the hole by popping in a magnet. It should sit flush with the cut.
There may be some bits of plastic left behind, trim them off with a knife.
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