So quiet..So very quiet. and my retractions actually mean something now. It did, by matter of gear ratio bring me down to the 525ish Esteps per mm, but that's still plenty of room for fine tuning. But retractions go "verp verp" instead of "clack clack". Printing a cover for the fan. Which is sillyconed on due to some differences in hole size between the fan and the cooling duct. And nothing like clear PET for both sound mitigation and eerie glow. Printed someone's filament cooler.. didn't fit... but that's next.