# Milling the cnc wasteboard flat (or so I thought): mis-aligned z-axis modules

**URL:** <https://forum.snapmaker.com/t/milling-the-cnc-wasteboard-flat-or-so-i-thought-mis-aligned-z-axis-modules/12513>\
**Category:** Snapmaker 2.0 (3-in-1)\
**Created:** [December 10, 2020, 9:31pm UTC](https://forum.snapmaker.com/t/milling-the-cnc-wasteboard-flat-or-so-i-thought-mis-aligned-z-axis-modules/12513 "2020-12-10T21:31:17Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![brent113](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/brent113/32/11114_2.png) [@brent113](https://forum.snapmaker.com/u/brent113)\
**Post date:** [January 11, 2021, 5:47pm UTC](https://forum.snapmaker.com/t/milling-the-cnc-wasteboard-flat-or-so-i-thought-mis-aligned-z-axis-modules/12513/18 "2021-01-11T17:47:47Z")

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> [@ITmaze](#):
>
> were the Z-axis vertical

Posted this previously:

> [@Carriage Tolerances - Unusable Over Distance \>75mm From Center](https://forum.snapmaker.com/t/carriage-tolerances-unusable-over-distance-75mm-from-center/10706/18):
>
> On the close Z tower the 3 rotations that should be 90.0 degrees are 89.75 (rotate around X), 89.85 (around Y), and 90.35 (around Z). That’s extremely close. I checked the far tower as well and it’s measurements were nearly identical, within .1 degree of all measurements.

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