Pressure Advance calibration - flow and acceleration values incorrect in the model #1590

New Issue

MrUnknownDE · 2026-04-05T18:32:44+02:00

MrUnknownDE commented

2026-04-05 18:32:44 +02:00

Originally created by @convicte on 11/18/2025

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2-DEV-Nightly-15.11.2025

Operating System (OS)

Windows

OS Version

Win11

Additional system information

Irrelevant for the bug

Printer

Anycubic Vyper

How to reproduce

Select the Pressure Advance calibration tool
Enable Print Numbers
List Accelerations: and Speeds:
Slice model
Printed number are not the true flow and accelerations as they should be

Actual results

I don't understand what the numbers mean, so this could be a calculation issue or output issue.

Expected results

Flow and acceleration should be printed correctly on the model as seen above.

Project file & Debug log uploads

Pressure Advance Test_broken.zip

Checklist of files to include

Log file
Project file

Anything else?

No response

*Originally created by @convicte on 11/18/2025* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2-DEV-Nightly-15.11.2025 ### Operating System (OS) Windows ### OS Version Win11 ### Additional system information Irrelevant for the bug ### Printer Anycubic Vyper ### How to reproduce 1. Select the Pressure Advance calibration tool 2. Enable `Print Numbers` 3. List `Accelerations:` and `Speeds:` 4. Slice model 5. `Printed number` are not the true flow and accelerations as they should be ### Actual results <img width="352" height="532" alt="Image" src="https://github.com/user-attachments/assets/5ac615a6-d8f6-4138-830a-fd02dbe4acf9" /> <img width="1207" height="1048" alt="Image" src="https://github.com/user-attachments/assets/b3711f31-13cd-47b7-ab56-0d83ad4d4c1e" /> I don't understand what the numbers mean, so this could be a calculation issue or output issue. ### Expected results <img width="816" height="940" alt="Image" src="https://github.com/user-attachments/assets/2a9a65e9-8dfc-4bf6-8151-a39fc9479dd4" /> Flow and acceleration should be printed correctly on the model as seen above. ### Project file & Debug log uploads [Pressure Advance Test_broken.zip](https://github.com/user-attachments/files/23603429/Pressure.Advance.Test_broken.zip) ### Checklist of files to include - [ ] Log file - [ ] Project file ### Anything else? _No response_

MrUnknownDE closed this issue

2026-04-05 18:32:44 +02:00

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Reference: github/OrcaSlicer#1590