Last updated: May 2026
Looking for the best PETG filament for Bambu Lab printers? If you own an A1, A1 Mini, P1S, P1P, X1C, or the newer P2S and H2D, you already know how good these machines are at PLA. They print fast, they print clean, and the AMS makes color changes painless. PETG is a different story — and choosing the right brand makes all the difference.
PETG is where things get more interesting. It’s the next material most Bambu owners try, and it’s also where most cheap filament shows its weaknesses. Stringing, brittle layer adhesion, inconsistent diameter, moisture sensitivity — PETG punishes shortcuts.
This guide ranks 7 PETG brands based on actual printing on Bambu Lab hardware. No spec sheets, no marketing copy. Settings used, failure modes encountered, and where each brand fits in your buying decision.
| QUICK ANSWER If you don’t want to read the full guide: Overture PETG is the safest pick for most Bambu Lab users. It runs reliably on every printer in the lineup with the generic PETG profile in Bambu Studio. If you want premium quality, Polymaker PolyLite PETG edges it out on dimensional accuracy. If you’re printing a lot of PETG and want to save money, eSUN PETG is the budget pick that doesn’t compromise. |
How We Tested the Best PETG Filament for Bambu Lab
Each filament was printed on three machines covering Bambu’s current lineup:
- Bambu Lab A1 (open-frame, hardened steel-compatible nozzle) — checks how the filament handles an open-air printer
- Bambu Lab P1S (enclosed) — checks behavior in a temperature-controlled chamber
- Bambu Lab X1C (enclosed, premium) — checks how the filament performs at speed with all features active
Test prints included:
- 3DBenchy at 0.2mm layer, generic PETG profile — baseline stringing and bridging
- A right-angle bracket — checks layer adhesion under load
- A 100mm calibration cube — checks dimensional accuracy
- A vase-mode tall print — checks consistency over 8+ hour prints
All filaments were dried for 6 hours at 65°C before testing, regardless of how they shipped. Untrained PETG produces bubbles, popping sounds, and weak layers. This isn’t optional.
The Ranking
Here’s the summary table. Detailed breakdowns of each pick are below.
| Rank | Brand | Price (1kg) | Best For | Verdict |
| #1 | Overture PETG | $19 | Most users | Best all-around |
| #2 | Polymaker PolyLite | $22 | Precision parts | Best dimensional accuracy |
| #3 | eSUN PETG | $17 | High volume | Best budget |
| #4 | Bambu Lab PETG HF | $24 | Speed printing | Best for high-flow |
| #5 | SUNLU PETG | $16 | Hobby prints | Cheap but needs drying |
| #6 | JAYO PETG | $15 | Bulk buyers | Acceptable, inconsistent batches |
| #7 | Generic AliExpress | $12 | Don’t bother | Save your time and frustration |
1. Overture PETG — Best All-Around
Overture PETG
Overture · ~$19/kg on Amazon
Overture has been the default recommendation in the 3D printing community for two years running, and it’s still earning that spot in 2026. It’s the most forgiving PETG you can buy for Bambu Lab printers.
| Diameter | 1.75mm (±0.02mm tolerance) |
| Nozzle temp | 230-250°C (240°C sweet spot) |
| Bed temp | 70-80°C (textured PEI) |
| Speed | 50-80 mm/s (works up to 120 with care) |
| Drying needed | Yes, 6h at 65°C before first use |
Pros:
- Low stringing out of the box with the generic Bambu Studio PETG profile
- Excellent bed adhesion on textured PEI (the default Bambu plate)
- Consistent diameter across the spool — almost zero flow variation
- Wide color range, including matte and transparent options
- Cardboard spool (eco-friendly, no plastic waste)
Cons:
- Premium price compared to eSUN or SUNLU
- Cardboard spool can shed dust into the AMS — wipe edges before loading
- Matte colors are slightly more brittle than glossy
| VERDICT If you’re not sure what to buy and you just want PETG to work, buy Overture. It’s the lowest-risk choice in the category and prints reliably on every Bambu printer we tested. |
2. Polymaker PolyLite PETG — Best Dimensional Accuracy
Polymaker PolyLite PETG
Polymaker · ~$22/kg on Polymaker store or MatterHackers
Polymaker built its reputation on engineering-grade filaments, and PolyLite PETG carries that DNA into the entry tier. If your prints need to fit together — assemblies, threaded inserts, snap-fits — this is the pick.
| Diameter | 1.75mm (±0.03mm tolerance, rated; we measured tighter) |
| Nozzle temp | 230-250°C |
| Bed temp | 70-80°C |
| Speed | Up to 300 mm/s rated (we got clean results at 150) |
| Drying needed | Recommended, less critical than other brands |
Pros:
- Tightest dimensional accuracy of any PETG we’ve tested in this price range
- Layer adhesion is genuinely excellent — bracket test broke in the part, not at a layer line
- Less moisture-sensitive than most PETG (better sealed packaging)
- Works at higher speeds without losing surface quality
- Available in a clean color palette suited to functional parts
Cons:
- Limited fun-color selection compared to Overture or eSUN
- Premium price
- Plastic spool (not cardboard)
| VERDICT Polymaker is what you buy when accuracy matters more than price. For decorative prints or rough functional parts, Overture is fine. For anything that needs to mate with other parts at tight tolerances, Polymaker is the move. |
3. eSUN PETG — Best Budget
eSUN PETG
eSUN · ~$17/kg on Amazon
eSUN is the brand the 3D printing community quietly relies on when nobody’s looking. It’s not glamorous. It just works, at a price that’s hard to beat.
| Diameter | 1.75mm (±0.03mm tolerance) |
| Nozzle temp | 230-245°C |
| Bed temp | 70-80°C |
| Speed | 50-100 mm/s |
| Drying needed | Yes, 6h at 65°C — eSUN absorbs moisture faster than Overture |
Pros:
- Price-to-quality ratio is hard to beat
- Print quality nearly identical to Overture on Bambu hardware
- Massive color range — eSUN has 30+ PETG colors in stock most of the time
- Vacuum-sealed packaging extends shelf life before drying becomes mandatory
Cons:
- More moisture-sensitive than Overture — drying is non-negotiable
- Slightly more stringing if you don’t tune retraction
- Plastic spool
| VERDICT If you go through more than 3 spools a month, switching from Overture to eSUN saves real money without losing meaningful quality. The only catch is drying — you need a filament dryer if you’re buying eSUN at volume. |
4. Bambu Lab PETG HF — Best for Speed Printing
Bambu Lab PETG HF
Bambu Lab · ~$24/kg on Bambu store (refill: ~$20)
Bambu’s own high-flow PETG was designed specifically for their printers’ speed capabilities. If you’ve ever wondered why your X1C feels held back by standard PETG, this is the filament that uncorks it.
| Diameter | 1.75mm (±0.03mm tolerance) |
| Nozzle temp | 240-260°C (runs hotter than standard PETG) |
| Bed temp | 70-80°C |
| Speed | Rated to 258 mm/s — and actually delivers it |
| Drying needed | Yes, 6-8h at 65°C |
Pros:
- Genuinely fast — prints PETG at PLA speeds without surface degradation
- RFID tag means the AMS auto-loads the right profile (Bambu owners only)
- Matte finish is consistent at varying speeds (a common PETG weakness)
- Better heat resistance (~69°C HDT) than standard PETG
Cons:
- Most expensive PETG on this list
- Limited color selection compared to Overture or eSUN
- Only worth it if you’re using a printer that can actually push high speeds — A1 owners won’t see the full benefit
- Lock-in to Bambu ecosystem for the RFID feature
| VERDICT If you have an X1C or P1S and you print PETG often, Bambu PETG HF is the right pick. The speed gain on long prints is real and adds up. For the A1 or A1 Mini, the premium isn’t worth it — stick with Overture or eSUN. |
5. SUNLU PETG — Cheap but Needs Drying
SUNLU PETG
SUNLU · ~$16/kg on Amazon
SUNLU sits in an awkward spot. It’s cheap enough to be tempting, but it’s also the most moisture-sensitive PETG we tested. With drying, it’s fine. Without drying, it’s frustrating.
| Diameter | 1.75mm (±0.03mm) |
| Nozzle temp | 230-250°C |
| Bed temp | 70-80°C |
| Speed | 50-80 mm/s |
| Drying needed | MANDATORY — 8h at 65°C, even for fresh spools |
Pros:
- Lowest price on this list among brands worth recommending
- Decent color range
- Acceptable consistency once properly dried
Cons:
- Absorbs moisture aggressively, even when factory-sealed
- Stringing is noticeable without aggressive retraction tuning
- Batch-to-batch variation is real — one spool can print great, another from the same order can be middling
| VERDICT Only buy SUNLU PETG if you already own a filament dryer and you’re printing high volume. The cost savings vs. eSUN only make sense if you’re going through multiple spools per week. For occasional use, eSUN or Overture is worth the small premium. |
6. JAYO PETG — Acceptable, but Inconsistent
JAYO is another budget brand that shows up frequently in 3D printing communities. Our experience: it’s fine. It’s also unpredictable. Two spools from the same order printed noticeably differently — one was on par with eSUN, the other had visible diameter variation that caused under-extrusion mid-print.
If you find JAYO on a major discount and you’re printing non-critical parts, it’s not a bad buy. As a default recommendation, we can’t suggest it over eSUN, which costs only slightly more and prints consistently across batches.
7. Generic AliExpress PETG — Don’t
Every few months, someone in r/BambuLab posts about a $9/kg PETG roll they found on AliExpress. The conclusion is always the same: the time you spend troubleshooting bad prints, clogged nozzles, and inconsistent layers costs more than the $7-10 you saved per spool.
This isn’t gatekeeping — it’s basic math. Two hours of failed prints + a clogged hardened steel nozzle that needs cleaning is worth more than buying eSUN or Overture from the start.
Settings That Work on Bambu Lab Printers
These settings work as a starting point across the brands we recommend (Overture, eSUN, Polymaker). Use them with the generic PETG profile in Bambu Studio:
| Setting | Value |
| Nozzle temperature | 240°C (first layer 245°C) |
| Bed temperature | 75°C |
| Print speed | 60-80 mm/s |
| Retraction distance | 0.8mm (direct drive) |
| Retraction speed | 30 mm/s |
| Fan speed | 30-40% (NOT 100% — PETG needs less cooling than PLA) |
| Line width | 0.42mm (with 0.4mm nozzle) |
| Layer height | 0.2mm (sweet spot for PETG) |
| FIRST LAYER TRICK Clean the build plate with isopropyl alcohol (90%+) before every PETG print. PETG sticks aggressively to clean PEI — too aggressively, sometimes. If you’ve ever had PEI flake off when removing a PETG print, the fix is less adhesion, not more. A thin coat of glue stick on the plate is the standard solution. |
Common PETG Problems on Bambu Lab — And Fixes
Problem: Stringing between parts
Cause: Either wet filament or retraction set too low. PETG stringing is the #1 PETG complaint on Bambu forums.
Fix: Dry the filament for 6 hours at 65°C. If stringing persists, bump retraction from 0.8mm to 1.2mm. If that doesn’t fix it, drop print temperature 5°C.
Problem: First layer doesn’t stick
Cause: Plate not clean, or bed temperature too low for the brand you’re using.
Fix: Wipe plate with IPA. Bump bed to 80°C. If still failing, check that you’re using the textured PEI plate (NOT the smooth PEI, which is for PLA).
Problem: Layer separation under load
Cause: Print temperature too low for the filament’s recommended range, OR cooling fan too high.
Fix: PETG needs less cooling than PLA. Drop the fan to 30%. If problem persists, increase print temperature by 5°C.
Problem: AMS feed issues with cardboard spools
Cause: Cardboard spool edges shed dust into the AMS hub.
Fix: Wipe down the spool edges with a dry cloth before loading. For long-term use, transfer the filament to a refillable plastic spool — Bambu sells these, or 3D-print one from a community design (search ‘cardboard spool adapter Bambu’ on Printables).
Problem: Brittle prints when bent
Cause: Either filament is wet OR you’re printing too cold.
Fix: Dry the filament. If still brittle, increase temperature in 5°C steps until layer adhesion improves.
PETG vs PETG-HF: Which Should You Buy?
PETG-HF (high-flow) is the newer variant that exploded in popularity in 2025-2026. The difference matters for some Bambu owners:
- A1 / A1 Mini: standard PETG is fine. The printer can’t fully utilize PETG-HF’s speed.
- P1S / P1P: PETG-HF gives meaningful gains on long prints (~30% time savings). Worth it if you print PETG often.
- X1C / X1E / H2D: PETG-HF is a clear upgrade. The CoreXY architecture pushes the high-flow advantages.
PETG-HF brands worth considering: Bambu Lab PETG HF (best integration), Polymaker PolyLite PETG HS (similar performance, slightly cheaper), eSUN ePETG-HS (budget HF option, newer).
Where to Buy
Amazon (US, UK, DE, FR): Overture, eSUN, SUNLU, JAYO are all stocked. Prime shipping makes returns easy if you get a bad spool.
Bambu Lab store: Bambu PETG HF refills are cheaper here than Amazon, and you get RFID tags.
MatterHackers (US): Polymaker is best-priced here, and they ship dried filament if you pay extra.
Polymaker direct: Best price on Polymaker if you’re buying 5+ spools at a time.
Frequently Asked Questions
Do I need to dry PETG before printing?
Yes. Even fresh, factory-sealed spools have absorbed some moisture during shipping. Dry at 65°C for 6 hours before first use, and store in sealed containers with desiccant after opening. This single habit eliminates 80% of PETG printing problems.
Can the Bambu Lab A1 print PETG?
Yes. The A1 prints PETG well using the generic PETG profile in Bambu Studio. The open-frame design isn’t a problem for PETG (it’s a problem for ABS and ASA). PETG doesn’t need an enclosed chamber to print reliably.
What’s the difference between PETG and PETG-HF?
PETG-HF (high-flow) is engineered for faster print speeds without surface degradation. It uses modified polymer chemistry to flow better at speed. For Bambu Lab printers, PETG-HF makes sense on the P1S, X1C, and newer models. On the A1 series, standard PETG is fine.
Is Bambu Lab’s own PETG worth the extra cost?
Bambu’s standard PETG (the non-HF version) is overpriced — Overture is better and cheaper. Bambu’s PETG-HF is worth it for X1C/P1S owners who print PETG regularly. The RFID tag convenience saves about 10 seconds per spool change — nice, but not transformative.
Will third-party PETG work in the AMS?
Yes. The AMS works fine with non-Bambu PETG. You lose the RFID auto-profile loading, but you can manually select the generic PETG profile in Bambu Studio in 2 seconds. Cardboard spools sometimes shed dust into the AMS — wipe spool edges before loading.
Why does my PETG print stick too well to the plate?
Welcome to the most common PETG problem. PETG sticks aggressively to clean PEI. Solutions, in order of preference: (1) apply a thin layer of glue stick to the plate, (2) print the first layer at 75°C instead of 80°C, (3) let the bed cool fully to room temperature before removing prints — PETG adhesion drops dramatically as the plate cools.
Bottom Line: Best PETG Filament for Bambu Lab
For most Bambu Lab users in 2026: buy Overture PETG. It’s the lowest-risk choice and consistently produces clean prints with default settings.
If you’re optimizing for speed on an X1C or newer Bambu printer: Bambu Lab PETG HF is worth the premium.
If you’re printing dimensional parts that need to fit precisely: Polymaker PolyLite PETG earns its slightly higher price.
If you’re printing high volume and want to save money: eSUN PETG is the only budget filament we’d recommend without reservations — assuming you have a dryer.
| REMEMBER: How you store and dry filament matters more than which brand you buy. Read our testing methodology for the full breakdown of how we evaluate every product. |
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Not sure if PETG is even the right material for your project? See our PLA vs PETG vs PETG-HF guide before you buy.