USB Hub Hanger

I use a powered USB Hub for my Raspberry Pi and I started out using self-adhesive "hook & loop" material to hold it on a vertical portion of my desk/bench. Probably because of the Florida heat and humidity, the adhesive continually failed to hold the Velcro-like tape. Frustrated, I came up with this design. It's made in three pieces because I didn't trust my bridging capabilities enough to print it in one piece. The dimensions of the hub are 70mm x 70mm x 18mm so it fits a little loose, but I do