SBase TFT32 screen housing with 2020 mount

I bought the MKS SBase V1.3 board with the TFT32 screen. I designed a housing for the screen and a mount to fit it to 2020 extrusions, or in my case 2040. It leaves access to the USB port of the screen and the DS card reader, none of which I use. It's not a thing of beauty, but it is usefull. In the pictures you can see the surfaces aren't all closed properly as I use very little infill.

To mount it to the 2020 I used two M4x16 bolts and two hammer nuts. The part locks the hammer nuts in plac