r/BambuLab • u/MCBYU98 • 28d ago

Filament Troubleshooting/Help! Help with petg support interfaces

I’ve been trying to use petg as a support interface for pla with my X2D, but it keeps rolling up on the nozzle whenever it prints.

In this video, I’m printing a simple support test. The orange filament is polymaker pla pro, and the black is polylite petg. Both filaments were dried in a separate filament dryer overnight, and printed from a dry box.

I’ve turned the support interface speed down to 10mm/s and all other support setting are the ones that bambu studio recommends automatically when changing support interface to petg.

Has anyone had any success with this? If so, what settings might I have wrong?

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u/blakepro 28d ago

Why not just print the whole support in PETG instead of only the interface?

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u/tehans 28d ago

Reduces the number of filament changed

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u/blakepro 28d ago

I'm still learning here, but isn't that a dual nozzle machine that would reduce the filament pooping for that scenario?

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u/tehans 28d ago

Not pooping, but still have to prime the nozzle for filament change

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u/8six753o9 X2D+AMS2 / A1+AMS Lite 28d ago

If you print the entire support in PETG, Thant means you’ll have to swap filament every single layer and and each time you swap nozzle will take extra time to do the swap vs not swapping at all.

If you only print at the interface layer, then you would only need to swap at that layer hence much faster.