Plain Raspberry Pi Sleeve Case for Flashforge Creator Pro

I tried Octopi and the Octopi Sleeve case. Love the case but I didn't love the software. I went with Astroprint. But now my case doesn't match! This generic, logo-free remix works with any software.

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/knW9UtsW684