Curcubator. Store curcubit offcuts. Cucumbers, zucchini etc.

Poke this in the end of a cucumber and bung it in the fridge.
May or may not help keep it fresh, I have tested mine for only 5 minutes!
Since printing the sample, I deepened the emboss to .5mm.
Might not be useful or hygienic - use at your own risk.