Make Bridge infill spiral outwards - PrusaSlicer

RE: Make Bridge infill spiral outwards

Neophyl — Tue, 20 May 2025 22:30:59 +0000

From your pic that's not bridging. You asked if it was possible to have Bridge Infill spiral. Those are just lots of perimeters. That's caused by the extra perimeters on overhangs setting. You can get the same effect by increasing the perimeter count. Which is what that experimental setting in doing, just locally, rather than globally. Be careful with it as there have been several github reports raised where it caused problems.

RE: Make Bridge infill spiral outwards

mrsam993 — Tue, 20 May 2025 16:37:21 +0000

Hey I've seen your avatar around haha. Just wanted to comment that I somehow figured out how to do what I wanted, honestly not sure which setting changed it but ticking all of these go the right result. Not the most scientific but if someone comes across this thread wanting to do the same thing haha.

RE: Make Bridge infill spiral outwards

Neophyl — Tue, 20 May 2025 07:31:52 +0000

Doesn't matter what setting you look for as it doesn't exist. Not in the current software. A bridge by current definition goes directly across between 2 points. Its anchored at each end. Stretched across a gap below it. You know like a Bridge, hence the name. Previous strands in theory help it anchor too but only sometimes in practice.

So simple answer to your question of is it possible for bridge infill to spiral out, then no, it is not in the current version of Prusa Slicer (v2.9.2 at this time)

Diem — Tue, 20 May 2025 07:04:12 +0000

In that case save your project as a .3mf file

Files > Save Project as

Zip the .3mf and post it here. It will contain both your part and your settings for us to diagnose.

Cheerio,

RE:

mrsam993 — Mon, 19 May 2025 09:46:54 +0000

Seems like this setting was already turned off so not sure what the next step would be.

Diem — Sun, 18 May 2025 06:26:38 +0000

Make sure Print Settings > Layers and perimeters > Advanced > External perimeters first is unchecked.

You will need to be in expert mode.

Cheerio,

Make Bridge infill spiral outwards

mrsam993 — Sat, 17 May 2025 10:32:17 +0000

I'm printing a circular object with an overhang and currently I have to print supports to hold up said overhang. After seeing a few tests where people will print a large circular platform balanced on a tiny stick, I was wondering If I could copy that idea to remove supports. Is it possible to have the bridge infill, especially the outer part, print in an outwards spiral pattern instead of at a set angle? I know that I can set the angle but it sets it to a static angle I would love if there was a way to set the bridge infill pattern to something like 'Archimedean Chords'. Thank you!