Lots of mentions for Obsidian. I’ll throw in my favorite for the past few years that’s similar: Logseq! Check it out!

Thanks for that link. I wouldn’t be surprised if this is my issue. I replaced a nozzle very recently and it seemed to improve things, but it quickly degraded. I also replwced the PTFE tube and likely did it wrong…though the symptoms existed before I replaced the tube. I also have a fan that has been on its way out for a while, so I could be getting heat creep. It could be a combo of all things. Either way, I have new fans on order and will be doing the rebuild. Thanks!

I gotta say a big thank you to everyone that responded. Your encouragement for me to take a breather and regroup with a cool head was much needed. Thank you all kind strangers :-)

I’ve tried raising and lowering the z-offset…higher just makes it more angry and lower doesn’t get to the point that it fixes it

Ok new symptom: the corners of a box that I’m printing are curling up

Wow, thanks a ton for your thoughtful reply!

100%

I suspect so, yes…when I’d extrude 100mm in an attempt to cal the e-steps, it was wildly inconsistent…so I suspect it was slipping.