Frame buttons problem

Neje 2S Master Plus 30W: Making some round coasters and I use the round frame button to align them. I noticed on the last align I did that it ran a Octogen shape around the coaster instead of round. I repeated it several times. Still octogen. Changed to square and it worked fine. Back to round (octogen) and NOW… its square too! Checked belts, motors, re-booted everything several times. Still the same. Engraves fine, looks great!, that’s the strange thing! I just cant align except by the square frame button. console shows no errors. Running 1.1f for months. Changed USB cable, no change. No changes anywhere made recently (I doubt that was it anyway since it engraves fine). Annoying for now, but I have this feelings things are about to go south! Any ideas?