Accurate dimensions

[donpedro]

My delta printer does not print in the accurate dimensions, they differ on x and y and are different if the part has different lengths
How can I correct?

[GuruSMI]

@donpedro
https://duet3d.dozuki.com/Wiki/Calibrating_a_delta_printer#Section_Correcting_for_small_X_and_Y_scaling_errors

[donpedro]

I don't think it helps me because this difference is not constant, I could adjust it from the slicer if it was like that, but it doesn't work
I have for example the following values on one axis, as the others differ
24.68
19.78
14.82
9.95
5.06
print_measure (3).stl

[jay_s_uk]

@donpedro are your arm measurements accurate?

[donpedro]

there are 3 pairs of arms with different values and they are also in config g

[dc42]

@donpedro said in Accurate dimensions:

I don't think it helps me because this difference is not constant, I could adjust it from the slicer if it was like that, but it doesn't work
I have for example the following values on one axis, as the others differ
24.68
19.78
14.82
9.95
5.06

It looks to me that you have a scaling error of -2% plus an excess extrusion width of 0.75mm on each side. That would give actual sizes of 24.65, 19.75, 14.85, 9.95 and 5.05 which are very close to what you measured.