It's amazing what you can do with some sheet metal and tin snips when there's a strong enough need for the bracket to fit a particular slot height. Homelab environment obviously. :)

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Oh, if you have even a hobby grade CNC machine around, you can get a fairly professional level result:

https://forums.servethehome.com/index.php?threads/3d-printab...

My first job in 2007 had me plugging fiber in to 40Gbps backbone units. I was told the ports cost a million dollars each. Now $13. Amazing.