説明
Filament is the one consumable that decides whether a print succeeds, and most failed prints are traced back to the spool rather than the settings. The Spool Reserve is a 1.1 kilogram JAYO spool in 1.75 millimetre diameter, wound to a tolerance of plus or minus 0.02 millimetres and vacuum sealed with a desiccant pack.
The range covers the four materials most printers actually run. PLA for general parts and finish quality, PLA Plus for the same ease of printing with more impact resistance, PLA Matte for a surface that hides layer lines, and PETG for parts that need strength and a little flex. Glow-in-the-dark and colour-shifting options are in the same line for decorative work. Print temperature sits at 200 to 210 degrees for PLA and the usual profile for PETG, so existing slicer settings transfer without a fight.
Each spool holds roughly 330 metres of filament, boxed and vacuum sealed, which is what keeps it usable after months on a shelf. The wind is tight and consistent, so the spool does not tangle and the extruder is not fighting the feed. Diameter tolerance is the number to care about here: a spool that wanders outside two hundredths of a millimetre will produce uneven walls no matter how carefully the slicer is tuned.
Great print settings cannot rescue a badly wound spool.
Why the spool matters more than the colour
- ✦ 1.1 kilogram spool, 1.75 millimetre diameter, about 330 metres of filament.
- ✦ Diameter tolerance held to plus or minus 0.02 millimetres for consistent extrusion.
- ✦ PLA, PLA Plus, PLA Matte and PETG in the same line, plus glow and colour-shift options.
- ✦ Vacuum sealed with desiccant, so the spool is still dry when you open it.
- ✦ Tight, even wind that feeds without tangles or drag on the extruder.
- ✦ Prints cleanly at 200 to 210 degrees for PLA on standard slicer profiles.
- ✦ Bubble-free extrusion for smooth walls and predictable layer bonding.
Materials and tolerances
- Brand: JAYO
- Net weight: 1 kg per roll, 1.1 kg gross
- Diameter: 1.75 mm
- Tolerance: plus or minus 0.02 mm
- Length: Approximately 330 metres per spool
- Materials: PLA, PLA Plus, PLA Matte, PETG, glow and colour-shift variants
- Print temperature: 200 to 210 degrees for PLA
- Print speed: 30 to 60 mm/s
- Packing: Boxed, vacuum sealed with desiccant
- Shelf life: One year in the sealed bag
What people print with it
Functional parts, enclosures, jigs and brackets print in PLA Plus or PETG where strength matters. Display pieces and models print in PLA Matte, which softens layer lines without sanding. Signs, toys and gifts use the glow and colour-shift variants where the effect is the point. Makers running a single printer keep one spool of each material and change only when the job calls for it. Anyone who has pulled a tangled spool off a half-finished print knows why the wind and the tolerance are on this list rather than the colour range.
Material and storage questions
Q: Which material should I start with?
PLA. It prints on almost every machine without an enclosure, holds detail well and forgives a slightly rough first layer. Move to PETG when a part needs strength or heat resistance.
Q: Is the spool compatible with a Bambu or Creality printer?
Yes, diameter and material profile are standard for 1.75 millimetre machines. Load the generic PLA profile, then fine-tune temperature if the brand-specific profile prints too hot.
Q: Does it need drying before use?
It arrives vacuum sealed, so the first print is fine straight out of the bag. Once the bag is open, store it with desiccant, and dry PETG after a humid month.
Q: Why do prints show stringing?
Stringing usually comes from temperature and retraction rather than the filament. Drop the nozzle temperature by five degrees and check the retraction distance before blaming the spool.
Q: What does the tolerance figure actually mean?
Diameter is held within two hundredths of a millimetre along the spool. That consistency is what keeps extrusion even, and it is the spec worth comparing between brands.
Q: Can the glow filament go through an AMS or multi-material unit?
Glow and matte filaments are more abrasive than standard PLA. Check your unit's filament guidance, and keep abrasive material out of a system with tight tolerances.
Q: How should I store opened spools?
Back in a sealed bag or a dry box with desiccant. PLA tolerates a few weeks in open air; PETG absorbs moisture faster and will print rough once it has.
Q: Is it compatible with a 3.0 mm printer?
No. This spool is 1.75 millimetre. A printer built for 3.0 millimetre filament needs the matching diameter.
Q: How do I know the spool is dry on arrival?
The vacuum bag should still be tight when the parcel is opened. A bag that has lost its vacuum has let air in, so dry that spool before a long print.
Sealed, checked, replaceable
A vacuum sealed, desiccant-packed spool in a printed tolerance band, checked before it ships. If a spool arrives wet, tangled or outside the stated diameter, send the batch number and we will replace the roll.
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