Relay box
cults3d
Relay modul 1 channel https://www.aliexpress.com/i/32957466017.html Use M3 screw.
Download Model from cults3d
With this file you will be able to print Relay box with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Relay box.