Orca 2.1.0 starts loop in mid air

[Rickthebig]

Is there an existing issue for this problem?

• [X] I have searched the existing issues

OrcaSlicer Version

2.1.0

Operating System (OS)

Windows

OS Version

Windows 10

Additional system information

No response

Printer

DIY BLV Cube

How to reproduce

Slice the model in the attached project file.

Go to Gcode line 193@48295 and see how Orca tries to extrude beginning in mid air if "Bridge counterbore holes" set to "Partially bridged".

Actual results

With "Bridge counterbore holes" set to "Partially bridged":

Expected results

With "Bridge counterbore holes" set to "None" the layer looks like it should:

Project file & Debug log uploads

Printing_in_mid_air_bridge_counterbore_hole.zip

Checklist of files to include

• [ ] Log file
• [X] Project file

Anything else?

A slicer should never start a loop in mid air.

[kylek29]

I observed this with another model as well.

[tlhintoq]

You see it with organic supports too. Sometimes it makes a partial second/interior wall of the support just out in the middle of the air.

[github-actions[bot]]

Orca bot: this issue is stale because it has been open for 90 days with no activity.