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Step 10Finalize the box
The box is pretty much done at this point, so this step is somewhat optional. In this step I will describe the process of adding an acrylic bottom to the box that will be held in place with magnets.
Creating a ledge - With the help of numberandom, I used a milling machine to create a ledge on the underside of the box. If you have access to a milling machine and choose to use this method, make sure to clamp both sides of the box, so it stays nice and solid during the milling. If you do not have access to a milling machine, then you can use a dremel, or some similar tool to to work away a ledge deep enough to fit a sheet of acrylic in.
Make the bottom - I cut and fit a sheet of acrylic to the same area as the inside of the ledge. I had a handful of magnets left over after wiring the board, so I decided that is what I would use to hold the bottom in place. I turned the box chess face down, and placed the acrylic bottom into the ledge. Using a drill bit with the same diameter as the magnets, I drilled two holes in each corner, straight through the acrylic into the wood.
Magnetize the bottom - Eight holes in the acrylic and eight holes in the wood makes for a total of sixteen magnets. I glued the magnets in with some gel super glue, alternating the polarity, so the bottom could only fit in one way. I cut up an old hard drive ribbon cable and glued it to the acrylic to make a pull tab for the bottom.
Creating a ledge - With the help of numberandom, I used a milling machine to create a ledge on the underside of the box. If you have access to a milling machine and choose to use this method, make sure to clamp both sides of the box, so it stays nice and solid during the milling. If you do not have access to a milling machine, then you can use a dremel, or some similar tool to to work away a ledge deep enough to fit a sheet of acrylic in.
Make the bottom - I cut and fit a sheet of acrylic to the same area as the inside of the ledge. I had a handful of magnets left over after wiring the board, so I decided that is what I would use to hold the bottom in place. I turned the box chess face down, and placed the acrylic bottom into the ledge. Using a drill bit with the same diameter as the magnets, I drilled two holes in each corner, straight through the acrylic into the wood.
Magnetize the bottom - Eight holes in the acrylic and eight holes in the wood makes for a total of sixteen magnets. I glued the magnets in with some gel super glue, alternating the polarity, so the bottom could only fit in one way. I cut up an old hard drive ribbon cable and glued it to the acrylic to make a pull tab for the bottom.
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