Drill Bit Index for 3.17mm shank bits
cults3d
Index for 3.17mm shank bits holds 24 pieces, designed to fit snugly into small storage system boxes available at http://www.thingiverse.com/thing:1493275, though it can be used on its own. To assemble this index, use 1.75mm filament as a hinge, simply inserting it through the holes; if the fit is too tight, use a 3.17mm drill to enlarge the hole.
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