hmmm... normally the meshbed levelling (during the 9 point z-axis calibration) should cope small imperfections in the flatness of the print surface, at least that's what it's supposed to do. but i don't know the range it could do so.jeff.p5 wrote:I am using your solution and it has been very helpful!
I discovered something interesting last night that was repeatable over several tests. I followed your instructions and got to a very nice print that was 0.20 microns. I then decided to do one printout using the same Z adjust value for the whole print. What I found is pictured below. Basically, the bottom right diagonal prints out well, but when the top left diagonal is printed it tears apart at each strand. I tried up to + 50 microns with the results basically staying the same, lower right diagonal (where the print begins is good, top left breaks apart. I redid the XYZ calibration and the result was still the same. I also cleaned the bed with ISO before each print. My Z height is currently at -200
This lends me to believe that my bed is not level, but before changing too many variables I thought I would share my picture and get thoughts of others.
yes, of course. but it's no big deal. simply a cube 75 x 75 x 0.2 mm in size.jwx23 wrote:Hi @JeffJordan, is there any chance you could post the STL for this calibration model? ...
didn't get your problem here: simply dial carefully with the knob at the lcd module. if you can "dial" your value within a precision of +/- 5µm, you're allright.jwx23 wrote:... Also, how do you manage to change the height by round numbers (i.e. increments of five)? My live z adjustment seems to be by 3.
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