Someone shared the link to this forum post that I have recently posted something on Reddit:
https://www.reddit.com/r/BambuLab/comments/1b8dboe/the_faster_you_print_the_better_quality_am_i_crazy/
I might as well share my finding here, the most prominent VFA is on the X axis when it moves from right to left.
After speed reading a few posts back in 2023, I’m going to try to square up the belt tensioner, centre the belt.