No support got rid of that better middle z for a better-er one with no support.
But the whole assemble didn’t work or the whole assembly is so tight it needs a lot less pre-load that the previous design. I will make some adjustments and print a whole new one but I think there is a design flaw. Super bummer.
I have 1 more idea for a whole new design so I’ll keep at it in case this one doesn’t work.