This is a case that can be used as a base for different enclosures for a simple relay combined with a ESP01 (see link at the end).
Please note that this is just a box without holes, it's meant to be customized. You can download the SketchUp file to make your own box. See my collections for a couple of examples.
This is the relay that fits inside:
Category: ElectronicsThe author marked this model as their own original creation. Imported from Thingiverse.