Perishable Food Day Marker
Iris Frost
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Published:2026-02-05 21:48:52
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No idea when you opened that yoghurt? Here's the answer to your mold problems!
Help prevent food waste and increase your fridge biosecurity with this practical little opening date marker.
German and english (untested&smaller lettering) versions available. Two ticks per day (e.g. lunchtime/dinnertime). Friction-fit pointer, fast print.
Here's a mashup version with included bag clip: https://www.thingiverse.com/thing:4895918
based on https://www.thingiverse.com/thing:330151
Print Settings
Printer Brand:
Prusa
Printer:
Mk2.5s
No
Supports:
No
0.15mm
Infill:
20%
Filament:
various PETG & PLA
Notes:
Print orientation as in stl files. Probably it would be best to print everything from PETG. I used PLA for the dials because I had more colors and PETG for the pointer because I believe the tiny clippy structures hold up better. The pointer requires a well-calibrated printer, so you might have to apply a tiny scale factor to get the fit just right. Ideally it would snap in with a satisfying click and hold the indicator in place through friction.
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CC-BY