Before I give an update, I want to say that it may be cheaper to buy a purpose built case, I am doing three of these so I got a little bit of that economy of scale going for me. When done I will do a BOM on all this and we can compare.
Why three?
Replacing this monstrosity

Yes that is a Samsung SSD hanging by the friction of the connectors.
And recall this post? https://www.apolonio.com/blog/?p=12520
Here is an updated picture with 16 x 4TB drives

So that is actually two units but considering it one.
Then here is the first one.

Still a few more things to print. On the back interface and HBA it is almost ready

Got the wrong brass inserts though, they are too big, and the ones I had on hand were too small.

Anyway it is coming along, predict it will be done by end of Sunday, maybe not in production but production ready.
Keep getting problems with drive alignment. Had to a custom one with a drive a did a block check.
When I did a pvcreate I had to do this
pvcreate --dataalignment 1m /dev/sdc1
Went swimming today, got a lot done too. Feeling good. But it is late.
I didn’t display it but my lowest weight since I was recording was the data Toto passed, it was 322.4, the next day I was 322.6 I am a pound away at beating those numbers. It is possible to crack 320 by end of Month and an outside chance of cracking 310 by end of year.
Weight: 323.2