Retractable wire spool holder (under the shelf, for electronics labs)
thingiverse
If like me, you want your wire spools when you want it, and away for the rest of the time, build this holder and use a 16 mm aluminum pipe to hold the spools. You can also download the 2 parts spool files and print as many as you need for those wires you always forget in the drawers.
Download Model from thingiverse
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