Which brands of refill filaments fit Bambu spools?

Bambu Filament and Accesories Accesories
1

Is there a list anywhere of which brands and which types of filament for that brand have refills that will fit onto Bambu plastic spools (e.g., the inner diameter is neither too big nor too small, overall width is correct)? I’m particularly interested in PLA, PETG, and ABS.

2

I’ve printed maybe 5 rolls without any issues.

https://www.amazon.com/MarsWork-Filament-Reusable-Printing-Printers/dp/B0DK7MVPCP

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3

I have used matter hacker build series without issues and I remove the RFID from Bambu cores with the correct colors I have marked on them and place them in the spools of matter hackers and print with the same settings as bambu basic.
https://www.matterhackers.com/store/c/mh-build-series-pla-refill-filament

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4

For the sake of science I just ordered the following from Amazon:

Elegoo Basic PLA Refill
eSun Basic PLA Refill
Creality PETG Refill

I’ll report back my findings, probably on Sunday.

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5

SunLu recently announced that their refills are compatible with Bambu spools.

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6

I have used up one of the new Sunlu spools that can assembled. After checking, they don’t fit Bambu refills. The core is smaller and the sides are narrower. So if Sunlu refills fit their new spools, then I doubt that they fit the bambu spools

7

I can confirm that the following refills fit the Bambu spools perfectly :

Elegoo
eSun
Crealilty

They even have “the notch” so no problems at all…

PXL_20250616_012815485
PXL_20250616_0128154851920×1080 256 KB

PXL_20250616_013456834
PXL_20250616_0134568341920×1080 236 KB

PXL_20250616_013321440
PXL_20250616_0133214401920×1080 245 KB

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8

Great, can you tell us something about the quality? did you use special printing profiles?

9

So after I took the pics I vacuum sealed all three in bags with dessicant. My backstock of filament is ridiculous and right now I’m trying to use up the oldest ones that have been gathering dust on the shelf. But having said that if it’s the same filament they’ve been selling on spools, which I believe it is, I can vouch for the Elegoo and Esun being great. I always print the Elegoo with the “Generic PLA” setting and the Esun with the built in BS Esun setting. I don’t have any expierence with Creality though.

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10

Just use the Generic Settings.

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