Step 4Drill bit
Use polyurethane glue to glue the juice bottle cap to the hole in the bottom of the vitamin bottle.
Glue in the length of dowel that you will use as your "drill bit".
Eyeball the length of the drill bit so it is in proportion to your drill.
Round off the end of the dowel.
Use narrow strips of cardboard to wind around and glue to the dowel to simulate the twist of the drill bit. Bend the cardboard and shape your spiral so it makes it easier to glue.
Cover with aluminum tape for all the exposed metal-looking parts and use black duct tape for the rubber grip.
I glued the chuck permanently to the body when I found the fan motor was too underpowered to spin the drill bit assembly.
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