With a simple modification you can mount these endstops https://www.amazon.it/dp/B09WXPHDRL?ref=ppx_yo2ov_dt_b_product_details&th=1 .

Don't forget to cut the V wire (the white one) or you risk to burn your board. To pass the endstop wires I removed a tooth on the side grille of the aluminum case. 

Printed with nozzle 0.6, layer 0.16, supports and brim are not required.