Sparse Infill is not connected to a wall when ensure vertical shell thickness is true #757

New Issue

MrUnknownDE · 2026-04-05T16:28:48+02:00

MrUnknownDE commented

2026-04-05 16:28:48 +02:00

Originally created by @echipachenko on 2/15/2026

Is there an existing issue for this problem?

I have searched the existing issues

OrcaSlicer Version

2.3.2-beta

Operating System (OS)

macOS

OS Version

macOS 26.2

Additional system information

No response

Printer

Sovol SV08

How to reproduce

New project
Add primitive "Sphere"
Cut the object in the middle, both parts "Place on cut"
Arrange all Objects
Change Strength -> Sparce Infill Density to 1%
Change Strength -> Sparce Infill Pattern to Grid
Slice
Check Layer 30

Actual results

There is a gap between sparce infill and the wall

Expected results

Sparce infill should be connected to the wall

Project file & Debug log uploads

Sphere.3mf.zip

Checklist of files to include

Log file
Project file

Anything else?

While this problem occurred only on layer 30, in my custom model,l it happens way more frequently

*Originally created by @echipachenko on 2/15/2026* ### Is there an existing issue for this problem? - [x] I have searched the existing issues ### OrcaSlicer Version 2.3.2-beta ### Operating System (OS) macOS ### OS Version macOS 26.2 ### Additional system information _No response_ ### Printer Sovol SV08 ### How to reproduce 1. New project 2. Add primitive "Sphere" 3. Cut the object in the middle, both parts "Place on cut" 4. Arrange all Objects 5. Change Strength -> Sparce Infill Density to 1% 6. Change Strength -> Sparce Infill Pattern to Grid 7. Slice 8. Check Layer 30 ### Actual results There is a gap between sparce infill and the wall <img width="572" height="464" alt="Image" src="https://github.com/user-attachments/assets/665f5635-a55f-4d7d-9524-b3b811a9ad92" /> <img width="411" height="345" alt="Image" src="https://github.com/user-attachments/assets/8c99d4b8-4f6c-468b-bfe0-652245ca9efd" /> ### Expected results Sparce infill should be connected to the wall ### Project file & Debug log uploads [Sphere.3mf.zip](https://github.com/user-attachments/files/25319297/Sphere.3mf.zip) ### Checklist of files to include - [ ] Log file - [x] Project file ### Anything else? While this problem occurred only on layer 30, in my custom model,l it happens way more frequently <img width="570" height="602" alt="Image" src="https://github.com/user-attachments/assets/c01b0ba8-a494-4898-b331-153da1cf20b2" />

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Reference: github/OrcaSlicer#757