#Hemera esteps software#
Spreadsheet software (I used Excel but Numbers and Sheets should work as well).If the interest comes later I might add more pictures and explanations at that time. You’ll need some basic knowledge of manufacturing statistics, measurement theory, and precalculus to follow everything that’s going on here. I’m writing this at night and I don’t want to be up until 3 tonight so I won’t be going into every single possible detail about what’s happening. So, if you’re having problems with parts not fitting properly, or you’re just interested in having +/-0.05mm dimensional accuracy bragging rights, read on: Before you get startedĪ few things I’ll note.
While a single part being a little small, especially at that scale might not be a big deal in some cases, printing 2 parts that would work together on 2 separate printers could lead to bigger problems with even smaller parts. It gets worse if you have multiple printers too. If I was 3d printing a computer case (definitely not something I’ve done), the motherboard simply wouldn’t line up with the screw holes (definitely not a situation I’ve been in). With a 310mm bed, a rotation distance of 40 would have given me as much as 0.726175mm inaccuracy. For example on my CR10, I found that the optimal rotation distance for the x axis was 39.9063.
Why is this? For the same reasons that extruder rotation distance varies: how tight you tighten your belts, manufacturing variations in the teeth and pulleys in your printer, if your belts have to twist at all, if they run at an angle, and many other factors impact exactly how the machine operates.ĭoes this matter? I think so. In fact in a printer farm of 12 Prusa MK3S+'s I’ve found that rotation distance can vary as much as.
Screen Shot at 8.55.45 PM 1318×888 83 KBĪnd measuring the steps using a micrometer, I’ve consistently found that the calculated value for rotation distance is not accurate.
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