Raspberry Pi 3 B/B+ 4CH Relay Case + Extension Board 3D Printable Model

Raspberry Pi 3 B/B+ 4CH Relay Case + Extension Board is a 3D printable model, which we searched from web for you, so you can easily print on your own 3D printer or use print on demand 3d printing service. More 3D printer models from Icemanmw are here.