9InchRackTray

Based on Shelf Rack 10 inch 1U by Remy Mesnard

https://www.thingiverse.com/thing:2584316
https://www.thingiverse.com/lijah

Took it sliced an inch out and changed the sides a bit.
Since there are a lot of 10 inch stuff, need something for the other 9 inches

40mm Fan pattern from 40mm Fan Cover by Rico Denninger

https://www.thingiverse.com/thing:4319534
https://www.thingiverse.com/riq_

Positioning of fan holes would be my fault have not checked if a fan will fit, just wanted some ventilation

Works great