Tree supports are generated in the air

[ArkadyGamza]

Application Version

Arachne_engine_beta

Platform

MacOS Catalina, Macbook pro 16' 2020

Printer

Creality Ender 3

Reproduction steps

1. Generate a simple test model with the following OpenSCAD script:
   difference(){
   cube([50,50,150]);

   translate([-5,-5,50])
   cube([50, 100, 50]);
   }

2. Exported it as STL and imported in Cura Arachne Beta.

3. Select profile for Ender-3, Generic PLA 0.4mm, Standard Quality - 0.2 mm

4. Select "Generate Supports"

5. Select "Support Structure" = "Tree"

6. Slice

Actual results

Small parts of the support tree hanging in the air starting with layer 473.

Expected results

All tree parts are connected to the root.

CE3_model1.3mf.zip

[fvrmr]

Hi @ArkadyGamza thank you for your bug report.
This is a duplicate of #8218 and we have a ticket on our backlog for this issue. I will add to the ticket that it happens on Arachne too.
I will close this issue since it is a duplicate.