Drive Tray for Dell PowerEdge Server 2950

Got a Dell PowerEdge 2950 server that didn't have any of the drive trays. Since the disks are so far back into the machine, I couldn't work without it. Going only on what I could measure between the blank slot covers and the slides at the outside, I created a model that worked after about 4 revisions. The current version clicks in place. The future version that's partially untested uses a clear left slide to transmit some of the LED lights from the back left corner to the front cover. I'm 9