Anyone Know Mounting Distance Followup

[TubaV]

Here's what I came up with using my JVC QL-50 and Pioneer tonearm. I had to get creative on arm length because it was not a PL-41 arm. Got it to align fine with the Turntable Basics mirror.

 

[PRR]

I bet this thread should link to:
https://www.diyaudio.com/community/threads/anyone-know-mounting-distance.395349/#post-7259669