Radiation shield mount with fan for cheap weather station kit:
https://www.hadex.cz/t110-vnejsi-mechanicke-dily-k-meteo
Separated to parts, no supports needed.
Print from UV resistant filament - ASA or PETG for example
Parts needed:
4020 5V fan
4pcs M4x30 for fan mounting
2pcs M3x30 for radiation shield
4pcs M3 washers for radiation shield
1pcs universal screw, lens head with collar 3.0x12 mm