Support interface wall loops #905

New Issue

MrUnknownDE · 2026-04-05T16:34:38+02:00

MrUnknownDE commented

2026-04-05 16:34:38 +02:00

Originally created by @Ataraxia-Mechanica on 2/2/2026

Is there an existing issue for this feature request?

I have searched the existing issues

when supporting large areas of flat surface, rectilinear/rectilinear interlaced support interface is better as concentric leaves ring shaped artifacts, and doesn't bridge between supports as well:

but when supporting thin lines and steep overhangs, concentric is better, as rectilinear would generate sawtooth shaped artifacts that ruin those lines:

Describe the solution you'd like

What if we add one or two concentric lines on the outside of rectilinear support interfaces, so it won't damage lines that rests on its side, and bridges better compared to concentric?

Additional context

Test Model

*Originally created by @Ataraxia-Mechanica on 2/2/2026* ### Is there an existing issue for this feature request? - [x] I have searched the existing issues ### Is your feature request related to a problem? when supporting large areas of flat surface, rectilinear/rectilinear interlaced support interface is better as concentric leaves ring shaped artifacts, and doesn't bridge between supports as well: <img width="962" height="737" alt="Image" src="https://github.com/user-attachments/assets/a581ff42-7d16-483d-98fd-fa161160e45e" /> but when supporting thin lines and steep overhangs, concentric is better, as rectilinear would generate sawtooth shaped artifacts that ruin those lines: <img width="1878" height="1610" alt="Image" src="https://github.com/user-attachments/assets/1efb930f-fde8-4b34-83e4-93f708a194d7" /> <img width="1441" height="1440" alt="Image" src="https://github.com/user-attachments/assets/18491d60-9181-4c8c-9834-4419c812ee35" /> ### Describe the solution you'd like What if we add one or two concentric lines on the outside of rectilinear support interfaces, so it won't damage lines that rests on its side, and bridges better compared to concentric? ### Additional context [Test Model](https://www.printables.com/model/260191-support-bench-support-test/)

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Reference: github/OrcaSlicer#905