Holder insert for 1/4 inch driver bits. This fits in at least two DeWalt box styles. There is a slot for 60x10x3 mm bar magnets to hold the bits in place, but I don't use them. You may want to print these to be a hair tall or maybe add a piece of thin card board to the empty side of the box as that will help the bits from falling out. The design could be adjusted for improvement, but it works for me as it is.

MakerBot

MakerBot Replicator

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