Powersource/powersupply (200W) connector

I needed a connector to attach a 200W Meanwell driver to my printer, required for the heatbed as the heatbed (reprap mk3) isn't a standard thing but custom addon, meaning there aren't any holes provided in the bottom plate. Because i was reluctant to drill new holes in the bottom plate, I found a use for the otherwise useless (?) triangle shaped hole. As the surface is quite large I experimented with the piece by adding the vertex logo and my name on the top of the piece, printed upside down to