Spiral vase without bottom layers not generating inner brim (but outer)

[boinappi]

Is there an existing issue for this problem?

• I have searched the existing issues

OrcaSlicer Version

2.3.0-dev

Operating System (OS)

Windows

OS Version

Windows 10

Additional system information

No response

Printer

RatRig VC3.1 enclosed

How to reproduce

1. Import a Spiral Vase Mode compatible model (e.g. https://www.printables.com/model/379782-gnome-vase-mode)
2. Enable "Spiral Vase" in "Others->Special Modes" (global)
3. Set "Bottom shell layers" to 0 in "Strength Top/bottom shells" (global) to print this without bottom
4. Give it a little more bed adhesion by adding an inner brim in "Others". Set "brim type" to "inner brim only".
5. Hit slice

Actual results

no inner brim

Expected results

inner brim

Project file & Debug log uploads

Gnome_vase_80mm_brim.zip

Checklist of files to include

• Log file
• Project file

Anything else?

It works with outer brim. So i guess it's meant to work with inner brim also.