The file 'Secure Hygrometer Battery Cover 3D Printer Model' is (STL) file type, size is 40.6KB.
These hygrometers are everywhere but their battery cover sucks. I spent way too much time designing this thing, but it was worth it.
Some of its features:
Many different high quality mounts for these hygrometers: https://www.thingiverse.com/thing:5379301
ROUND_HYGROMETER_BATTERY_COVER.STL | 166.1KB |