Step on the outer perimeter.

[6Yuri6]

Is there an existing issue for this problem?

• [X] I have searched the existing issues

OrcaSlicer Version

V2.2.0 and V2.1.1

Operating System (OS)

Windows

OS Version

11

Additional system information

CPU: AMD Ryzen 5 7500F GPU: AMD Radeon RX 6700 XT Memory: 32 Gib

Printer

Anycubic Kobra 2 Plus

How to reproduce

Printed flowerpot with a shell thickness of 8 mm constantly get a step on the outer wall of the model. On overhanging surfaces it is expressed more than on straight ones. There is an improvement if I change the order of printing inner/outer but I can not completely overcome it. In OrcaSlicer itself the problem is not visible.

Actual results

There is a step on each printed copy.

Expected results

Smooth outer perimeters.

Project file & Debug log uploads

shell.zip

Checklist of files to include

• [ ] Log file
• [ ] Project file

Anything else?

No response

[igiannakas]

This is due to material shrinkage - its the infamous "benchy hull line" problem.

[vgdh]

This is due to material shrinkage - its the infamous "benchy hull line" problem.

I wonder can material shrinkage be calculated and compensated somehow.

[igiannakas]

This is due to material shrinkage - its the infamous "benchy hull line" problem.

I wonder can material shrinkage be calculated and compensated somehow.

On a whole model basis, yes. On a feature basis, no...

Whole model compensation is in the filament settings (shrinkage XY and Z): This helps if the model ends up being smaller than the intended dimensions because of shrinkage.