An easy-to-print housing for the Shelly plus 1, Shelly plus 1PM, Shelly 1 Gen 2 and Gen 3
 

The housing has space for up to 3 WAGO 221 clamps.
The cables are neatly and securely fixed with cable ties.
The reset button and the LED are accessible and visible.

Size: 89x46.5x20.5mm

For assembly, you will need:

4 pcs M3 brass inserts
4 pcs M3x6mm countersunk screws
2 pcs 2.5mm cable ties
2 or 3 WAGO 221 clamps

have fun!