Tiny Travel Screwdriver

What it is

A tiny screwdriver, storing seven 4mm Micro Bits and attachable to a keyring or string on your gear. → Be prepared for that single or few screws that casually pop up, trying to ruin your day.

The forces induced by the applied torque are spread over a large area by the stored bits, stripping a screw is no problem with this design.

How to print

Recommended for printing is a 0.2 mm layer height and a 0.4mm nozzle or finer. The version in the pictures is printed with these settings in PETG.

• My 4mm bits varied quite a bit depending on the vendor, some scaling may be required to get a nice fit (100% to 103%  in xy is reported back so far). - There also is a separate negative volume modifier for the cut out of the central driver in use.
• If your bits are noticeably shorter or longer than 28mm, you may have 25mm or 30mm long variants. Use the provided alternate parts in that case.
• If your bits are rattling lengthwise, there are optional cushioning pads available to eliminate that (TPU advised). → Scale them first solely in the z direction to your needs (1 mm by default), after that scale them only in xy as the rest of the model is scaled.

What next

There may be improvements, modifications and deletions based on feedback given here.

Maybe, take a look at my other designs ;-)