Easy to print and assembly disk caddy for gen8 and 9 HPE proliant. (Possible 10, 11 and 12. But I can not guarantee compatibility because I don't have access to anything else than 8 and 9 gen.)
Now i will test for like month and fix any problems if any come.
https://github.com/0rqa/HPE-proliant-gen-8-and-9-compatible-hard-drive-caddy
The author marked this model as their own original creation.