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# Compensazione torsione assi

This document describes the `[axis_twist_compensation]` module.

Some printers may have a small twist in their X rail which can skew the results of a probe attached to the X carriage. This is common in printers with designs like the Prusa MK3, Sovol SV06 etc and is further described under probe location bias. It may result in probe operations such as Bed Mesh, Screws Tilt Adjust, Z Tilt Adjust etc returning inaccurate representations of the bed.

Questo modulo utilizza misurazioni manuali da parte dell'utente per correggere i risultati della sonda. Tieni presente che se l'asse è notevolmente distorto, ti consigliamo vivamente di utilizzare mezzi meccanici per ripararlo prima di applicare le correzioni del software.

Warning: This module is not compatible with dockable probes yet and will try to probe the bed without attaching the probe if you use it.

## Overview of compensation usage

> Tip: Make sure the probe X and Y offsets are correctly set as they greatly influence calibration.

### Basic Usage: X-Axis Calibration

1. After setting up the `[axis_twist_compensation]` module, run:

    AXIS_TWIST_COMPENSATION_CALIBRATE

This command will calibrate the X-axis by default.

- The calibration wizard will prompt you to measure the probe Z offset at several points along the bed.
- By default, the calibration uses 3 points, but you can specify a different number with the option: `SAMPLE_COUNT=<value>`

1. Adjust Your Z Offset: After completing the calibration, be sure to adjust your Z offset.
2. Perform Bed Leveling Operations: Use probe-based operations as needed, such as:

- Screws Tilt Adjust
- Z Tilt Adjust

1. Finalize the Setup:

- Home all axes, and perform a Bed Mesh if necessary.
- Run a test print, followed by any fine-tuning if needed.

### For Y-Axis Calibration

The calibration process for the Y-axis is similar to the X-axis. To calibrate the Y-axis, use:

    AXIS_TWIST_COMPENSATION_CALIBRATE AXIS=Y

This will guide you through the same measuring process as for the X-axis.

> Tip: Bed temperature and nozzle temperature and size do not seem to have an influence to the calibration process.

## [axis_twist_compensation] setup and commands

Configuration options for `[axis_twist_compensation]` can be found in the Configuration Reference.

Commands for `[axis_twist_compensation]` can be found in the G-Codes Reference

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