Infill First for Overhangs Only #1843

New Issue

MrUnknownDE · 2026-04-05T20:26:14+02:00

MrUnknownDE commented

2026-04-05 20:26:14 +02:00

Originally created by @jefftopp1984 on 10/23/2025

Is there an existing issue for this feature request?

I have searched the existing issues

I have always had issues if I am printing a model that has a designed hole in an overhung surface. The hole prints first with no real anchor, it shrinks, and then the solid bridge won't reach it, leaving a broken bridge and the edge of the hole far out of spec, requiring the bridge to need to be broken off the print when finished.

Which printers will be beneficial to this feature?

All

Describe the solution you'd like

Give an option to print infill first for only overhangs or external bridges. That way I don't have to use a glitchy pair of modifiers to ensure the bottom shell prints correctly

Describe alternatives you've considered

Use glitchy modifiers
Use a difficult-to-write post-processing script to re-order the infill and perimeters for the overhangs
Manually cut and paste the G-code so that it prints the overhang walls after the solid overhang infill.

Additional context

Really strange that nobody else has ever encountered this in the printing world and that this is not already an option.

*Originally created by @jefftopp1984 on 10/23/2025* ### Is there an existing issue for this feature request? - [x] I have searched the existing issues ### Is your feature request related to a problem? I have always had issues if I am printing a model that has a designed hole in an overhung surface. The hole prints first with no real anchor, it shrinks, and then the solid bridge won't reach it, leaving a broken bridge and the edge of the hole far out of spec, requiring the bridge to need to be broken off the print when finished. ### Which printers will be beneficial to this feature? All ### Describe the solution you'd like Give an option to print infill first for only overhangs or external bridges. That way I don't have to use a glitchy pair of modifiers to ensure the bottom shell prints correctly ### Describe alternatives you've considered Use glitchy modifiers Use a difficult-to-write post-processing script to re-order the infill and perimeters for the overhangs Manually cut and paste the G-code so that it prints the overhang walls after the solid overhang infill. ### Additional context Really strange that nobody else has ever encountered this in the printing world and that this is not already an option.

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1 Participants

Notifications

Due Date

No due date set.

Dependencies

No dependencies set.

Reference: github/OrcaSlicer#1843