I created the case to have the module ("EBUS to WiFi adapter module" by Daniel Kucera) protected from dust.
You may buy the module here: https://lectronz.com/products/54
In the correct orientation all the parts can be printed without support.
I printed mine with PETG. PLA should be fine to.
FreeCAD file for adjustments is also available.
The author marked this model as their own original creation.