AMS
Are refill spools / reusable spools worth it?
By SSS
Published . Updated .
- Nozzle190–230 °C(374–446 °F)
- Bed35–45 °C(95–113 °F)
- Speedup to 300 mm/s
- Dry50 °C · 8 h(122 °F)
- Density1.24 g/cm³
Nozzle, Bed, Speed, Drying. Source: Bambu Lab TDS · Last checked 14 October 2026
Ranked filaments
| Rank | Filament | Material | Nozzle | Bed | Datasheet | Buy |
|---|---|---|---|---|---|---|
| 1 | Bambu Lab · PLA Basic | PLA | 190–230 °C374–446 °F | 35–45 °C95–113 °F | Datasheet | |
Technical data sheet checked 14 October 2026 lists a nozzle of 190–230 °C (374–446 °F), a bed of 35–45 °C (95–113 °F), and blast-oven drying at 50 °C (122 °F) for 8 h. The US store page says this filament is AMS compatible and that parameters are stored in RFID. The sheet is not a refill-savings claim. No safety certification is listed. | ||||||
| 2 | Overture · PLA Refill | PLA | 190–220 °C374–428 °F | 25–60 °C77–140 °F | — | |
Overture's PLA Refill page, checked 17 October 2026, lists a nozzle of 190–220 °C (374–428 °F), a bed of 25–60 °C (77–140 °F), print speed up to 70 mm/s, and drying at 50 °C (122 °F) for 7 h. The Open Filament Database left nozzle and bed empty, dataset imported 13 October 2026. No empty-spool weight is stored. The comments below are about Bambu refills, not this spool. | ||||||
| 3 | Overture · High Speed PETG Refill | PETG | 230–260 °C446–500 °F | 65–70 °C149–158 °F | — | |
Overture's High Speed PETG Refill page, checked 17 October 2026, lists a nozzle of 230–260 °C (446–500 °F), a bed of 65–70 °C (149–158 °F), and drying at 60 °C (140 °F) for 5 h. The page names a 1 kg refill. It does not publish a money or plastic saving. The comments below do not test it. | ||||||
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A refill is filament wound for a spool you already have. Worth it, in the comments that actually answer, means the winding holds if you follow the steps. It does not mean a measured saving. The AMS is which plastics that feeder takes. Tangles is a knot on the spool. Best brand is the brand question, which these comments also do not settle.
What the rows actually publish
Bambu PLA Basic lists 190–230 °C (374–446 °F), a bed of 35–45 °C (95–113 °F), and blast-oven drying at 50 °C (122 °F) for 8 h, sheet checked 14 October 2026. The US store page says the filament is AMS compatible and that parameters are stored in RFID. It does not list a refill discount. Overture PLA Refill lists 190–220 °C (374–428 °F), a bed of 25–60 °C (77–140 °F), and drying at 50 °C (122 °F) for 7 h, page checked 17 October 2026. Overture High Speed PETG Refill lists 230–260 °C (446–500 °F), a bed of 65–70 °C (149–158 °F), and drying at 60 °C (140 °F) for 5 h, page checked the same day. No safety certification is listed. None of the three stores an empty-spool weight. The order is the brand the comments discuss, then two refill products that publish settings. It is not a ranking of which refill to buy.
What the community says
a Reddit thread in r/BambuLab says follow Bambu's instructions or the filament comes off the spool, and that people usually do that only once.
a Reddit thread in r/BambuLab: names step 4, pushing the filament down, and locking the spool, and says some colors exist only as refills.
Pros and cons
Pros
- The useful comments are specific: follow the steps, push the filament down, lock the spool.
- Two catalog refill SKUs have manufacturer print settings, so a refill is not an unlisted plastic.
Cons
- No source on this page publishes a gram of plastic saved or a price difference for a refill.
- They are not a review.
Printer considerations
- A score-15 comment says people who skip Bambu's refill instructions post pictures of an unspooled mess, and that it generally happens once. That is a winding failure, which is the tangle page, not a polymer defect.
- A score-5 comment names step 4, pushing the filament down, and locking the spool. It also says some colors are only available as refills. This catalog does not store a color-by-color refill list.
- Cardboard spools and respooling are the AMS page. Do not use the AMS itself as a respooler. That warning is on the AMS Lite page, from a different thread.
Sources & notes
Published . Updated .
- Bambu PLA Basic technical data sheet datasheet
- Bambu Lab PLA Basic US store page manufacturer
- Overture PLA Refill product page manufacturer
- Overture High Speed PETG Refill product page manufacturer
- a Reddit thread in r/BambuLab reddit
- a Reddit thread in r/BambuLab reddit
- a Reddit thread in r/BambuLab reddit
- a Reddit thread in r/BambuLab reddit
- a Reddit thread in r/3Dprinting reddit
Related questions
- Which filaments work in the Bambu AMS?AMS
- What is the best filament brand?Troubleshooting
- Why does my filament tangle / knot on the spool?Troubleshooting
Related data
- Cheapest filament per kg
- Cheapest PLA per kg
- Will my dryer cover this filament?
- Drying dataset
- How long to dry PETG
- PLA drying temperature and time
- PETG drying temperature and time
Questions
Do refill spools save money?
Not from these comments, and not from these three rows. No price is stored on the filament records. Best brand is the brand question. A comment that names a dollar figure belongs on the thread it was written on. This batch's useful comments are about winding steps.
What goes wrong when a Bambu refill fails?
r/BambuLab describes an unspooled mess when the instructions are skipped. names step 4, pushing the filament down, and locking the spool. Tangles is the knot page. The AMS is which filaments that feeder is for. PLA Basic's store page says the filament is AMS compatible. That sentence is not a promise that every refill winds cleanly.