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A Screw Tray for sorting and storing screws while repairing a device, with space to label the screws.

You can write on the top surface with an non-permanent marker and easily wash it away with water. The top layer needs a good printing quality for this. I printed it with a MK4 in PETG with standard 0.2 speed settings, and it came out nice. If You have trouble with a good top layer, ironing might help. 
The labelable parts on the top are 10mm high, so they also fit 9mm labeling-tape from labelprinters (e.g. Dymo, Brother). You can glue them to the parts and then write on them with a marker, for a perfect surface to write on. 

(Two colours in the picture because I ran out of the darker one. Actually a colour change after the flat part may look really nice, have a try! Don't use too dark filament at the top, so You can write on it with a black or blue marker.)

*labelable is my new favorite word