Spiral Z Hope Can Generate Outside Bounds Causing Print Failure #1238

New Issue

MrUnknownDE · 2026-04-05T17:04:02+02:00

MrUnknownDE commented

2026-04-05 17:04:02 +02:00

Originally created by @Erosion139 on 12/30/2025

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.1

Operating System (OS)

Windows

OS Version

11

Additional system information

Doesnt matter

Printer

A printer

How to reproduce

Maximize a part on your build plate with spiral z hop

Actual results

The Z hop spiral travel moves will exceed the printable area and cause your printer to error out. If you have the z hop type set to auto this could happen a while into the print.

Expected results

Orcaslicer catches travel moves when exiting the printers maximum extents and warns the user.

Project file & Debug log uploads

.3mf is not supported, please reproduce with a maximized cube and printer set to spiral z hop

Checklist of files to include

Log file
Project file

Anything else?

No response

*Originally created by @Erosion139 on 12/30/2025* ### Is there an existing issue for this problem? - [ ] I have searched the existing issues ### OrcaSlicer Version 2.3.1 ### Operating System (OS) Windows ### OS Version 11 ### Additional system information Doesnt matter ### Printer A printer ### How to reproduce Maximize a part on your build plate with spiral z hop ### Actual results The Z hop spiral travel moves will exceed the printable area and cause your printer to error out. If you have the z hop type set to auto this could happen a while into the print. ### Expected results Orcaslicer catches travel moves when exiting the printers maximum extents and warns the user. <img width="691" height="688" alt="Image" src="https://github.com/user-attachments/assets/366b7115-6d16-45cc-ad38-75e4a1c2b47c" /> ### Project file & Debug log uploads .3mf is not supported, please reproduce with a maximized cube and printer set to spiral z hop ### Checklist of files to include - [ ] Log file - [x] Project file ### Anything else? _No response_

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Reference: github/OrcaSlicer#1238