Raspberry Pi Compute Module 3 I/O Board Mount

I ordered a Raspberry Pi Compute Module with an I/O board for a project that I'm working on and didn't realize until I received it that it didn't include any sort of mount or case. No problem!

I designed this so that I could safely keep the board on a table and still have access to all of the GPIO pins and other connectors. The board is screwed onto the raft using 6mm long M3-.5 screws. The screw posts are long enough that these screws can hold the board firmly in place and wide enough that t