With my customizer you can create hex bit holder of any size for any size of bits.
You can tweak many parameters, all dimension are in mm:
Rows - number of rows, currently maximum is 10
Number - number of columns, currently maximum is 10
Base height - overall heigh of the holder
Tolerance - printer/material tolerance, can be negative, required to compensate specific printer contraction/expansion during print.
Extra Padding - padding between side of the base and bit
Rounded corners - will define slightly rounders corners for better look and print
Hole Through - determines if hole goes completely through the base
Slotted - Make slot to add flex to the walls, slot depth is 75% of the base height
Bit Size, defines bit size ( 6.35mm is 1/4" )
If you have any issues and suggestions please report in comments.
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Tip me if you find this useful !