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Wiki Update 8 - Lorita (#10094)
* Wiki Home Fix process-others VFA test * Add wall GIFs and update documentation * Quality Overhangs Wiki Basic Update README.md Update Home.md * Better only one wall * Add infill ghosting image and update wall order * Updates process options * Fix calibration step numbering in documentation Corrected the step numbers in the calibration order list to maintain sequential order. * Update Calibration.md * Update wall and surface quality docs with images and details * Revise Linux build instructions and restructure sections Co-Authored-By: cefiar <cefiar@gmail.com> * APA Clarify compatibility notes Co-Authored-By: dewi-ny-je <2866139+dewi-ny-je@users.noreply.github.com> * Removed Tolerance test from calibration guide. Keeped as note Co-Authored-By: Noisyfox <timemanager.rick@gmail.com> * Copilot Review --------- Co-authored-by: cefiar <cefiar@gmail.com> Co-authored-by: dewi-ny-je <2866139+dewi-ny-je@users.noreply.github.com> Co-authored-by: Noisyfox <timemanager.rick@gmail.com>
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Ian Bassi
@@ -21,41 +21,43 @@ The recommended order for calibration is as follows:
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<img src="https://github.com/SoftFever/OrcaSlicer/blob/main/doc/images/Flow-Rate/flowrate-6.jpg?raw=true" alt="flowrate-6" height="200">
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1. **[Pressure Advance](pressure-advance-calib):** Calibrate the pressure advance settings to improve print quality and reduce artifacts caused by pressure fluctuations in the nozzle.
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3. **[Pressure Advance](pressure-advance-calib):** Calibrate the pressure advance settings to improve print quality and reduce artifacts caused by pressure fluctuations in the nozzle.
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- **[Adaptive Pressure Advance](adaptive-pressure-advance-calib):** This is an advanced calibration technique that can be used to further optimize the pressure advance settings for different print speeds and geometries.
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<img src="https://github.com/SoftFever/OrcaSlicer/blob/main/doc/images/pa/pa-tower.jpg?raw=true" alt="pa-tower" height="200">
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2. **[Retraction](retraction-calib):** Calibrate the retraction settings to minimize stringing and improve print quality. Doing this after Flow and Pressure Advance calibration is recommended, as it ensures that the printer is already set up for optimal extrusion.
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4. **[Retraction](retraction-calib):** Calibrate the retraction settings to minimize stringing and improve print quality. Doing this after Flow and Pressure Advance calibration is recommended, as it ensures that the printer is already set up for optimal extrusion.
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<img src="https://github.com/SoftFever/OrcaSlicer/blob/main/doc/images/retraction/retraction_test_print.jpg?raw=true" alt="Retraction" height="200">
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3. **[Tolerance](tolerance-calib):** Calibrate the tolerances of your printer to ensure that it can accurately reproduce the dimensions of the model being printed. This is important for achieving a good fit between parts and for ensuring that the final print meets the desired specifications.
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<img src="https://github.com/SoftFever/OrcaSlicer/blob/main/doc/images/Tolerance/OrcaToleranceTes_m6.jpg?raw=true" alt="Tolerance" height="200">
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4. **[Max Volumetric Speed](volumetric-speed-calib):** Calibrate the maximum volumetric speed of the filament. This is important for ensuring that the printer can handle the flow rate of the filament without causing issues such as under-extrusion or over-extrusion.
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5. **[Max Volumetric Speed](volumetric-speed-calib):** Calibrate the maximum volumetric speed of the filament. This is important for ensuring that the printer can handle the flow rate of the filament without causing issues such as under-extrusion or over-extrusion.
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<img src="https://github.com/SoftFever/OrcaSlicer/blob/main/doc/images/MVF/mvf_measurement_point.jpg?raw=true" alt="Max_Volumetric_Speed" height="200">
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5. **[Cornering](cornering-calib):** Calibrate the Jerk/Junction Deviation settings to improve print quality and reduce artifacts caused by sharp corners and changes in direction.
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6. **[Cornering](cornering-calib):** Calibrate the Jerk/Junction Deviation settings to improve print quality and reduce artifacts caused by sharp corners and changes in direction.
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<img src="https://github.com/SoftFever/OrcaSlicer/blob/main/doc/images/JunctionDeviation/jd_second_print_measure.jpg?raw=true" alt="Cornering" height="200">
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6. **[Input Shaping](input-shaping-calib):** This is an advanced calibration technique that can be used to reduce ringing and improve print quality by compensating for mechanical vibrations in the printer.
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7. **[Input Shaping](input-shaping-calib):** This is an advanced calibration technique that can be used to reduce ringing and improve print quality by compensating for mechanical vibrations in the printer.
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<img src="https://github.com/SoftFever/OrcaSlicer/blob/main/doc/images/InputShaping/IS_damp_marlin_print_measure.jpg?raw=true" alt="Input_Shaping" height="200">
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7. **[VFA](vfa-calib):** A VFA speed test is available to find resonance speeds.
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8. **[VFA](vfa-calib):** A VFA speed test is available to find resonance speeds.
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<img src="https://github.com/SoftFever/OrcaSlicer/blob/main/doc/images/vfa/vfa_test_print.jpg?raw=true" alt="vfa_test_print" height="200">
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---
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**[Tolerance](tolerance-calib):** Calibrate the tolerances of your printer to ensure that it can accurately reproduce the dimensions of the model being printed. This is important for achieving a good fit between parts and for ensuring that the final print meets the desired specifications.
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<img src="https://github.com/SoftFever/OrcaSlicer/blob/main/doc/images/Tolerance/OrcaToleranceTes_m6.jpg?raw=true" alt="Tolerance" height="200">
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---
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_Credits:_
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- _The Flowrate test and retraction test is inspired by [SuperSlicer](https://github.com/supermerill/SuperSlicer)._
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- _The Flow test and retraction test is inspired by [SuperSlicer](https://github.com/supermerill/SuperSlicer)._
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- _The PA Line method is inspired by [K-factor Calibration Pattern](https://marlinfw.org/tools/lin_advance/k-factor.html)._
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- _The PA Tower method is inspired by [Klipper](https://www.klipper3d.org/Pressure_Advance.html)._
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- _The temp tower model is remixed from [Smart compact temperature calibration tower](https://www.thingiverse.com/thing:2729076)._
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@@ -11,17 +11,20 @@ This feature introduces the below options under the filament settings:
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2. **Enable adaptive pressure advance for overhangs:** Enable adaptive PA for overhangs as well as when flow changes within the same feature. This is an experimental option because if the PA profile is not set accurately, it will cause uniformity issues on the external surfaces before and after overhangs. It is recommended to start with this option switched off and enable it after the core adaptive pressure advance feature is calibrated correctly.
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3. **Pressure advance for bridges:** Sets the desired pressure advance value for bridges. Set it to 0 to disable this feature. Experiments have shown that a lower PA value when printing bridges helps reduce the appearance of slight under extrusion immediately after a bridge, which is caused by the pressure drop in the nozzle when printing in the air. Therefore, a lower pressure advance value helps counteract this. A good starting point is approximately half your usual PA value.
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4. **Adaptive pressure advance measurements:** This field contains the calibration values used to generate the pressure advance profile for the nozzle/printer. Input sets of pressure advance (PA) values and the corresponding volumetric flow speeds and accelerations they were measured at, separated by a comma. Add one set of values per line. More information on how to calibrate the model follows in the sections below.
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5. **Pressure advance:** The old field is still needed and is required to be populated with a PA value. A “good enough” median PA value should be entered here, as this will act as a fallback value when performing tool changes, printing a purge/wipe tower for multi-color prints as well as a fallback in case the model fails to identify an appropriate value (unlikely but it’s the ultimate backstop).
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5. **Pressure advance:** The old field is still needed and is required to be populated with a PA value. A “good enough” median PA value should be entered here, as this will act as a fallback value when performing tool changes, printing a purge/wipe tower for multi-color prints as well as a fallback in case the model fails to identify an appropriate value (unlikely but it’s the ultimate backstop).
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## Pre-Requisites
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This feature has been tested with Klipper-based printers. While it may work with Marlin or Bambu lab printers, it is currently untested with them. It shouldn’t adversely affect the machine; however, the quality results from enabling it are not validated.
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This feature has been tested with Klipper-based printers. While it may work with Marlin or Bambu lab printers, it is currently untested with them. It shouldn't adversely affect the machine; however, the quality results from enabling it are not validated.
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**Older versions of Klipper used to stutter when pressure advance was changed while the toolhead was in motion. This has been fixed with the latest Klipper firmware releases. Therefore, make sure your Klipper installation is updated to the latest version before enabling this feature, in order to avoid any adverse quality impacts.**
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> [!IMPORTANT]
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> Versions of Klipper older than July 11th, 2024 might in some cases produce artifacts when dynamic PA is used.
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> This has been fixed in Klipper stable version 0.13.0 (20250411), or in developer versions starting [from July 11th, 2024](https://github.com/Klipper3d/klipper/commit/c84d78f3f169bc5163d11b74837f9880b0b7dba4).
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> If you experience issues or print quality lower than expected you might want to ensure you have a Klipper firmware which contains the fix.
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Klipper firmware released after July 11th, 2024 (version greater than approximately v0.12.0-267) contains the above fix and is compatible with adaptive pressure advance. If you are upgrading from an older version, make sure you update both your Klipper installation as well as reflash the printer MCU’s (main board and toolhead board if present).
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> [!TIP]
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> **Advanced users**: the fix to ensure optimal quality when dynamic PA is used does not require flashing the toolhead MCU or the printer MCU, but only an update of the host Python code. If you are using a commercial printer which does not offer straightforward MCU flashing (for example, Qidi printers), you might be able to manually patch the host code yourself.
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## Use case (what to expect)
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@@ -47,11 +50,14 @@ Finally, if during calibration you notice that there is little to no variance be
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With this feature enabled there should be absolutely no bulge in the corners, just the smooth rounding caused by the square corner velocity of your printer.
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In addition, seams should appear smooth with no bulging or under extrusion.
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Solid infill should have no gaps, pinholes, or separation from the perimeters.
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Compared to with this feature disabled, where the internal solid infill and external-internal perimeters show signs of separation and under extrusion, when PA is tuned for optimal external perimeter performance as shown below.
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Compared to with this feature disabled, where the internal solid infill and external-internal perimeters show signs of separation and under extrusion, when PA is tuned for optimal external perimeter performance as shown below.
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## How to calibrate the adaptive pressure advance model
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