HDMIpi stand that stores/transports flat

I was looking for a stand for my HDMIpi. I first found the HDMI stand by n602 & printed that...it worked well. However, I also liked to transport my HDMIpi & stand in my backpack, so I really needed a stand that could store/transport flat.

This design is my solution to my particular problem. Credit goes to n602 (for use of the pins from HDMIpi stand) & to b1sh0p (for the idea of a stand made of two identical pieces that interlock with each other from Star Wars Tablet Stand - Rebel). Their