Skadis 4 Corner Connector

Wanted a steady way to join 4 small Skadis boards together at the corner for the side of my P1S. This can be mounted on the back or front of the boards. P1/X1 Hooks mounts HERE.Boards, regular connectors, and lower standoffs from @AU3DFilament of print is Isanmate PLA+ Matte Gradiant Blue Green