Composter
thingiverse
A roller base for a composting barrel. 3/8 plywood some 2x4s and a cheap barrel and you have a composter! Instructions Cut from 3/8 plywood. 1/4" bit with 1/4" passes at 100"/min. Cuts the sides only. I cut the 3.5" circles from scrap 2x4s lying around. Bolt the rollers with 1/4 20 bolts. 12" 2/4s in between each side. You need to cut 4 sides.
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