Respect modifiers when making overhangs printable #1335

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MrUnknownDE · 2026-04-05T17:22:43+02:00

MrUnknownDE commented

2026-04-05 17:22:43 +02:00

Originally created by @Toesoe on 12/17/2025

Description

PR #1615 added the "make overhangs printable" option, which works well, but ignores modifiers. This PR ensures generated overhangs respect any modifiers included.

I ran into this issue with a specific design that was made with this option in mind (read: I'm too lazy to learn how to use OpenSCAD properly). The center core of this print should be flat, but the ridges on the outside of the cylinder should be modified by this option.

Here the left part has a modifier to disable the functionality, the right doesn't. Note the addition of extra geometry on the right part.

*Originally created by @Toesoe on 12/17/2025* # Description [PR #1615](https://github.com/OrcaSlicer/OrcaSlicer/pull/1615) added the "make overhangs printable" option, which works well, but ignores modifiers. This PR ensures generated overhangs respect any modifiers included. I ran into this issue with a specific design that was made with this option in mind (read: I'm too lazy to learn how to use OpenSCAD properly). The center core of this print should be flat, but the ridges on the outside of the cylinder should be modified by this option. Here the left part has a modifier to disable the functionality, the right doesn't. Note the addition of extra geometry on the right part. <img width="3828" height="2099" alt="modifier" src="https://github.com/user-attachments/assets/86b4a81d-8f7f-4252-96d3-4fbc8acb6c3e" /> <img width="3828" height="2099" alt="sliced" src="https://github.com/user-attachments/assets/7e190bff-cfcc-4532-88c3-3cf1cd4e61ac" />

MrUnknownDE closed this issue

2026-04-05 17:22:43 +02:00

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Reference: github/OrcaSlicer#1335