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You're fine. I want to laugh with you on the fiddl'n with it more now. I am on version 11. The original goal was to make it self-adjusting and it isn't. It is easier, it really is. I wonder if your wheels are smaller than min cause the clearance is close and some previous versions had rubbing issues.... and, boy, when they rub they make nasty screeching noises like scratching on chalkboard and cause z-ringing like a mofo. It's far from perfect and I'm trying a different direction. To make v11 successful, you pretty much have to use a stiff nylon like Taulman 910. PETG works, but it flexes over time and causes weird behaviors. I'll give you a hint the direction I'm going is no wheels at all. ;-)