Desk organizer with temperature and humidity monitor, fits index cards.

New  version, larger size, with room humidity/temperature monitor adapter, to increase it's usefulness.  The same humidity monitor used for your filament boxes.  can be found on amazon:  https://www.amazon.com/dp/B07MCGDN5C?ref=ppx_yo2ov_dt_b_fed_asin_title

Do not scale this model, (print in original size) because, if size of the window for humidity/temperature monitor changes, it will become useless.