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It was a big hit! Thanks again for all of your help

That fixed it! both fans are now installed and I'm printing my three year old a spider

and now resetting z ...

Try setting that steps per MM value to 80. You've managed to confuse axis steps per MM with Extruder steps per MM. Man, I wish I had posted on here sooner rather than spend 2 days trying to figure what I did wrong. I just saw "steps" and I was excited.. Anyway, changed it back to 80, changed the ...

I had searched and have already double checked the diagonal length setting. I'll attach a shot of my eeprom settings.

So, after a grueling couple of rainy days, I finished assembly of the Rostock Max V2. Went through calibration and printed the first fan shroud. The slot where you put the fan is about an eigth of an inch too wide. In fact, the whole part seems too big. I went through the calibration again and ...