Bridge Layer dedicated settings and some others. #1880

New Issue

MrUnknownDE · 2026-04-05T20:47:43+02:00

MrUnknownDE commented

2026-04-05 20:47:43 +02:00

Originally created by @jefftopp1984 on 10/19/2025

Is there an existing issue for this feature request?

I have searched the existing issues

I have noticed that the normal solid infill to perimeter overlap setting is inadequate for bridge layers. The bridge layer requires much more overlap than the normal solid infill does. But there's no separate setting for that and there's not even a way to write a post-processing script to fix it. Maybe I can do a height modifier for it and change the infill/perimeter overlap setting for just one layer, but that's quite complicated for such a simple task. It would be nice to have separate flow rates and overlap settings for every type of line. Also, a bridge layer jerk/square corner velocity and a MANUAL FAN command entry would be nice also. It screws with my printer BADLY when I am trying to print fuzzy skin on a slight overhang and it's switching the fan on and off several times a second. I even set the overhang trigger to 95% which would mean basically only 100% overhangs will have the fan and it STILL modulates the fan to the point where my MCU freaks out and starts turning the fan on and off every other second from 0 to full with no command to do so. Even canceling the print won't fix it. I have to totally reboot the firmware to get it to stop. Modulating the fan like that on fuzzy skin is not a good thing. I'd like to be able to set the forced cooling and automatic fan settings to OFF and then be able to add my own fan commands manually without having to edit the g-code file itself like I am doing now. Also, the speed for OVER BRIDGES is MISSING that is present in Prusa Slicer. I'd like to be able to slow down the areas that are printing directly over top of a bridge without manually editing the g-code file line for line as well.

Which printers will be beneficial to this feature?

All

Describe the solution you'd like

DEDICATED flow rate and overlap settings for:

Internal Solid Infill
Sparse Infill
Bridge Infill
Top layer
Bottom Layer
Perimeters (flow rate only)

Manually enter fan on/off commands in the HORIZONTAL slider where you want them in that layer.

Also Custom G-Code in the horizontal slider would be sweet too so I don't have to apply things to an entire layer instead of exactly where I need them. Manually entering things into the g-code file itself is tedious, cumbersome, and easy to get twisted on what you're trying to do.

Describe alternatives you've considered

I've described them already

Additional context

No response

*Originally created by @jefftopp1984 on 10/19/2025* ### 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 noticed that the normal solid infill to perimeter overlap setting is inadequate for bridge layers. The bridge layer requires much more overlap than the normal solid infill does. But there's no separate setting for that and there's not even a way to write a post-processing script to fix it. Maybe I can do a height modifier for it and change the infill/perimeter overlap setting for just one layer, but that's quite complicated for such a simple task. It would be nice to have separate flow rates and overlap settings for every type of line. Also, a bridge layer jerk/square corner velocity and a MANUAL FAN command entry would be nice also. It screws with my printer BADLY when I am trying to print fuzzy skin on a slight overhang and it's switching the fan on and off several times a second. I even set the overhang trigger to 95% which would mean basically only 100% overhangs will have the fan and it STILL modulates the fan to the point where my MCU freaks out and starts turning the fan on and off every other second from 0 to full with no command to do so. Even canceling the print won't fix it. I have to totally reboot the firmware to get it to stop. Modulating the fan like that on fuzzy skin is not a good thing. I'd like to be able to set the forced cooling and automatic fan settings to OFF and then be able to add my own fan commands manually without having to edit the g-code file itself like I am doing now. Also, the speed for OVER BRIDGES is MISSING that is present in Prusa Slicer. I'd like to be able to slow down the areas that are printing directly over top of a bridge without manually editing the g-code file line for line as well. ### Which printers will be beneficial to this feature? All ### Describe the solution you'd like DEDICATED flow rate and overlap settings for: Internal Solid Infill Sparse Infill Bridge Infill Top layer Bottom Layer Perimeters (flow rate only) Manually enter fan on/off commands in the HORIZONTAL slider where you want them in that layer. Also Custom G-Code in the horizontal slider would be sweet too so I don't have to apply things to an entire layer instead of exactly where I need them. Manually entering things into the g-code file itself is tedious, cumbersome, and easy to get twisted on what you're trying to do. ### Describe alternatives you've considered I've described them already ### Additional context _No response_

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Due Date

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Dependencies

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Reference: github/OrcaSlicer#1880