Screw and bit tray
thingiverse
This is a simple screw holder which can hold your bits so you don't have to worry about dropping them somewhere in your room. I believe the photos are self-explanatory enough :) I plan to design an extra part in the future which let's you connect a second set of screw holders (What those trapezoidal holes are for) if you want to, cause 4 slots is definitely not enough.
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