This is a case for the Capacitive Soil Moisture Sensor V1.2.

Consider coating the sides of the pcb as well as the electronic components on the top with epoxy, silicone or something else moisture-proof to increase the longevity of the sensor and protect from corrosion.

I recommend printing with Bambu Lab's PETG HF (tested with PETG-HF black on Bambu Lab A1).

Dry your filament before printing!

Remove the support material, then slide in the cover and screw it in with 2 M3x6 screws.