# Feedback on calibration and resulting dimensional accuracy

**URL:** https://forums.maslowcnc.com/t/feedback-on-calibration-and-resulting-dimensional-accuracy/23433
**Category:** Maslow Firmware
**Tags:** accuracy, calibration
**Created:** [February 19, 2025, 9:34pm UTC](https://forums.maslowcnc.com/t/feedback-on-calibration-and-resulting-dimensional-accuracy/23433 "2025-02-19T21:34:17Z")
**Posts on this page:** 1
**Showing post:** 25

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### Author: ![md8n](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/md8n/32/28197_2.png) [@md8n](https://forums.maslowcnc.com/u/md8n)
#### Post date: [February 26, 2025, 11:52pm UTC](https://forums.maslowcnc.com/t/feedback-on-calibration-and-resulting-dimensional-accuracy/23433/25 "2025-02-26T23:52:09Z")

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> [@arjenschoneveld](#):
>
> the largest deviation was the TR (ofcourse) with 13mm.

Are you using the arm stacking order I recommended or the one in the M4 assembly guide? (see here for example [X and Y off by 1% - #94 by md8n](https://forums.maslowcnc.com/t/x-and-y-off-by-1/23002/94))

And if you’re using the one I recommended have you made the specific changes to the maslow.yaml file for the `Maslow_**Z` values?

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