bit handle
thingiverse
This remix is based on http://www.thingiverse.com/thing:732847, with some key modifications to accommodate a magnetic bit holder and extend its length. One variation I created features an even deeper design to securely hold longer bits in place.
Download Model from thingiverse
With this file you will be able to print bit handle with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on bit handle.