Tree support bases being generated mid air #1625

New Issue

MrUnknownDE · 2026-04-05T18:44:55+02:00

MrUnknownDE commented

2026-04-05 18:44:55 +02:00

Originally created by @KillerKiev on 11/15/2025

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

26200.7171

Additional system information

Processor 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz (2.42 GHz)
Installed RAM 16.0 GB (15.8 GB usable)
Device ID 0105C014-07D6-410A-A1D3-8963A18C5617
Product ID 00342-22263-94694-AAOEM
System type 64-bit operating system, x64-based processor

Printer

Custom ender 3

How to reproduce

Import model which will require support generation
"Slice plate"
Scroll layer progression until base of supports are being generated
Observe slicer placing the start of supports mid air.

Actual results

Supports being generated to start mid air. Note the layer # and Z height

Expected results

Supports being generated on actual support base.

Project file & Debug log uploads

Support error file.zip

Checklist of files to include

Log file
Project file

Anything else?

I have seen a few posts about this some from quite a while ago. I'm encountering this nearly every file i need with supports. Basically, has broken my ability to print with orca..

*Originally created by @KillerKiev on 11/15/2025* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.1 ### Operating System (OS) Windows ### OS Version 26200.7171 ### Additional system information Processor 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz (2.42 GHz) Installed RAM 16.0 GB (15.8 GB usable) Device ID 0105C014-07D6-410A-A1D3-8963A18C5617 Product ID 00342-22263-94694-AAOEM System type 64-bit operating system, x64-based processor ### Printer Custom ender 3 ### How to reproduce 1. Import model which will require support generation 2. "Slice plate" 3. Scroll layer progression until base of supports are being generated 4. Observe slicer placing the start of supports mid air. ### Actual results Supports being generated to start mid air. Note the layer # and Z height <img width="997" height="410" alt="Image" src="https://github.com/user-attachments/assets/7dd225e9-a922-414b-a0c4-df26e343b195" /> <img width="1317" height="781" alt="Image" src="https://github.com/user-attachments/assets/3840985c-4605-40c4-9aed-4d6056f3a7b8" /> ### Expected results Supports being generated on actual support base. ### Project file & Debug log uploads [Support error file.zip](https://github.com/user-attachments/files/23560490/Support.error.file.zip) ### Checklist of files to include - [ ] Log file - [x] Project file ### Anything else? I have seen a few posts about this some from quite a while ago. I'm encountering this nearly every file i need with supports. Basically, has broken my ability to print with orca..

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Reference: github/OrcaSlicer#1625