# Anycubic Kossel Klipper Enhanced Delta Calibration

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After a succesful delta calibration it is time to do an enhanced delta calibration.
This calibration solves problems with XY dimension problems such as a 19 mm Y side instead of 20 mm. I have used the same file as in Klipper Delta Calibration guide and added excel table for calculating average measurement values.

Open the file in your slicer, use slower speed 20-40 mm/s for better accuracy and print it.

## 2. Calibration step 1

Please be careful while measuring distances.
It is a large model with a low z height, so bends a lot,.
Make sure that you do not apply too much force on calipers.

Measure these distances one by one, every dimension 5 times to calculate an average value.

As you can see in this picture, I am pushing both “towers” to the table so it does not bend.

Write down measured values.
Excel will calculate the average value with this formula AVG=SUM(1:5)/Count(1:5).

Prepare you calibration command in this format:
DELTA_ANALYZE CENTER_DISTS=<a_dist>,<far_c_dist>,<b_dist>,<far_a_dist>,<c_dist>,<far_b_dist>

In this case:
DELTA_ANALYZE CENTER_DISTS=73.11,72.98,73.29,73.21,73.39,73.46

## 3. Calibration step 2

Measure these distances one by one, every dimension 5 times to calculate an average value.

Write down measured values.
Excel will calculate the average value with this formula AVG=SUM(1:5)/Count(1:5).

Prepare you calibration command in this format:
DELTA_ANALYZE OUTER_DISTS=<a_to_far_c>,<far_c_to_b>,<b_to_far_a>,<far_a_to_c>,<c_to_far_b>,<far_b_to_a>

In this case:
DELTA_ANALYZE OUTER_DISTS=73.30,73.17,73.18,73.44,73.32,73.26

## 4. Calibration step 3

Measure these distances one by one, every dimension 5 times to calculate an average value.

Write down measured values.
Excel will calculate the average value with this formula AVG=SUM(1:5)/Count(1:5).

Prepare you calibration command in this format:
DELTA_ANALYZE CENTER_PILLAR_WIDTHS=<a>,<b>,<c>

In this case:
DELTA_ANALYZE CENTER_PILLAR_WIDTHS=9.08,9.19,9.10

## 5. Calibration step 4

Measure these distances one by one, every dimension 5 times to calculate an average value.

Write down measured values.
Excel will calculate the average value with this formula AVG=SUM(1:5)/Count(1:5).

Prepare you calibration command in this format:
DELTA_ANALYZE OUTER_PILLAR_WIDTHS=<a>,<far_c>,<b>,<far_a>,<c>,<far_b>

In this case:
DELTA_ANALYZE OUTER_PILLAR_WIDTHS=9.06,9.13,9.03,9.19,9.00,9.23

## 6. Send calibration commands

Send these commands one by one.
Send this command and wait for OK confirmation.
DELTA_ANALYZE CENTER_DISTS=73.11,72.98,73.29,73.21,73.39,73.46

Send this command and wait for confirmation.
DELTA_ANALYZE CENTER_PILLAR_WIDTHS=9.08,9.19,9.10

Send this command and wait for OK confirmation.
DELTA_ANALYZE OUTER_PILLAR_WIDTHS=9.06,9.13,9.03,9.19,9.00,9.23

## 7. Calculate new values

Send this command to calculate new delta values:
DELTA_ANALYZE CALIBRATE=extended

## 8. Save new values

Send this command to save new values:
SAVE_CONFIG

## 9. Print some test cube

Print some calibration cube and verify calibration results.

## Similar Posts

1. Megan says:

sorry too much ask, after doing “enhanced delta calibration”… it is okay to do “DELTA_CALIBRATE” again?

1. Lukas says:

Hi, why would you do that?

1. Megan says:

after advanced calib, my nozzle is little bit far from bed, doing Probe calib not taking effect if not doing “delta calibrate”… what shoud i do?
maybe any other way? like saving z offset? (setting on tune menu while printing)

1. Lukas says:

Hi, that “probe test” works well, but it has a bug in the printer.cfg.
Copy the z probe value from calibration values to the probe value at the beginning of the file, uncomment that line and delete the probe value from calibration part.
Reboot printer/send new printer.cfg file and you are good to go.

1. Megan says:

thanks… for the advice… i’ll try it later…..

2. Megan says:

because i’m using 1mm nozzle, can i scale up the object?

1. Lukas says:

Hi, you should stay with original stl file.
Only the letters are about 1 mm wide, the rest should be ok.