Box for Power Relay Module Board. The wiring is written on the walls. It requires 3 M3x5mm screws (). The top clips on the base.

The power relay : Aliexpress :  Amazon - USA :  Amazon - UK : 

3D model of the Relay : 

Each file contains a printing instruction in the form xx-xx. The first number is the precision, the second the filling. For example 02-30 means accuracy of 0.2 and filling at 30%. It is also useful to double the thickness of the walls.

The mention "support" indicates that supports are needed...

I also recommend to activate the adhesion to avoid warping (part that comes off the support).

I recommend using the Cura slicer.

All the parts are in the ideal orientation for printing.

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