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// Data Tool · Q2/2026 · v1.0

Filament Comparison Database: 35 filaments in a structured head-to-head

PLA, PLA+, PETG, ABS, ASA, TPU and specialty filaments — 13 datapoints per spool, a quality score from 0 to 100, tolerances from ±0.02 mm, US availability and Amazon.com best-deal links. Snapshot updated quarterly.

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// Why this database

Filament marketing is wall-to-wall 'Premium,' 'Pro,' and 'Plus' labels — but the real differences live in the data. Diameter tolerance, USD pricing, spool quality, and US availability are what actually decide whether a filament fits your project.

// How it works

Filter by material type, tolerance, price ceiling, and brand tier. The use-case score weights tolerance (35%), brand reputation (25%), price fit (20%), and color variety (15%) into a single recommendation tuned to your filter setup.

// Where the numbers come from

USD prices are Amazon.com / MatterHackers / Microcenter snapshots and can shift on promos. Tolerance figures come from vendor datasheets and lab tests (All3DP, MatterHackers). Affiliate links are Amazon search URLs with the 3dprstuff-20 tag — no hardcoded ASINs. Reliability is flagged 'estimated' across the board.

Pre-filtered Views:

34 filaments active · sorted by qualityScore (desc)

Brand / ProductMaterial±Tol$/kgUse-CaseAffiliate
PrusamentPLA 1.75 mmPremium
PLA±0.02$30

Printed Solid / Prusa US

95Amazon →
PrusamentPETG 1.75 mmPremium
PETG±0.02$33

Printed Solid / Prusa US

89Amazon →
Bambu LabPLA Basic 1.75 mmPremium
PLA±0.03$20

Bambu Store / Amazon

85Amazon →
PrusamentASA 1.75 mmPremium
ASA±0.02$36

Printed Solid

86Amazon →
Bambu LabPLA Matte 1.75 mmPremium
PLA Matte±0.03$23

Bambu Store

85Amazon →
Bambu LabPETG HF 1.75 mmPremium
PETG±0.03$27

Bambu Store

82Amazon →
PrusamentPC Blend 1.75 mmPremium
PC±0.02$47

Printed Solid

81Amazon →
FillamentumPLA Extrafill 1.75 mmPremium
PLA±0.03$38

MatterHackers / Printed Solid

85Amazon →
Bambu LabASA 1.75 mmPremium
ASA±0.03$32

Bambu Store

79Amazon →
PolymakerPolyTerra PLA Matte 1.75 mmPremium
PLA Matte±0.03$22

MatterHackers / Amazon

84Amazon →
ColorFabbPLA/PHA 1.75 mmPremium
PLA±0.03$40

MatterHackers

80Amazon →
PolymakerPolyMax PLA Tough 1.75 mmPremium
PLA+±0.03$38

MatterHackers

77Amazon →
Bambu LabPLA-CF Carbon Fiber 1.75 mmPremium
Specialty±0.05$40

Bambu Store

61Amazon →
ColorFabbnGen 1.75 mmPremium
Specialty±0.05$45

MatterHackers

63Amazon →
FormfuturaHDglass PETG 1.75 mmPremium
PETG±0.03$36

MatterHackers

78Amazon →
PolymakerPolyLite PLA 1.75 mmMid
PLA±0.03$20

MatterHackers / Amazon

84Amazon →
PolymakerPolyFlex TPU95 1.75 mmPremium
TPU±0.05$42

MatterHackers

62Amazon →
OverturePLA 1.75 mmMid
PLA±0.03$19

Amazon

85Amazon →
eSUNPLA+ 1.75 mmMid
PLA+±0.03$19

Amazon

85Amazon →
eSUNeMate Soft TPU95A 1.75 mmMid
TPU±0.05$30

Amazon

62Amazon →
OverturePETG 1.75 mmMid
PETG±0.03$23

Amazon

81Amazon →
InlandPLA 1.75 mmMid
PLA±0.03$15

Microcenter

82Amazon →
MatterHackersBuild Series PLA 1.75 mmMid
PLA±0.05$22

MatterHackers

68Amazon →
HatchboxPLA 1.75 mmMid
PLA±0.03$20

Amazon

84Amazon →
eSUNPETG 1.75 mmMid
PETG±0.03$21

Amazon

82Amazon →
HatchboxWood-PLA 1.75 mmMid
PLA Wood±0.05$30

Amazon

58Amazon →
SUNLUPLA 1.75 mmBudget
PLA±0.03$15

Amazon

84Amazon →
SUNLUSilk PLA 1.75 mmBudget
PLA Silk±0.05$19

Amazon

66Amazon →
SUNLUPETG 1.75 mmBudget
PETG±0.05$17

Amazon

64Amazon →
GeeetechSilk Multi-Color PLA 1.75 mmBudget
PLA Silk±0.05$23

Amazon

59Amazon →
JAYOPLA 1.75 mmBudget
PLA±0.03$13

Amazon

80Amazon →
JAYOSilk Rainbow Multi-Color 1.75 mmBudget
PLA Silk±0.05$20

Amazon

60Amazon →
Amazon BasicsPLA 1.75 mmBudget
PLA±0.05$17

Amazon

62Amazon →
KingroonPLA 1.75 mmBudget
PLA±0.05$13

Amazon

64Amazon →

⚠ Disclaimer / Data snapshot

Data: Q2/2026. USD prices are Amazon.com, MatterHackers, and Microcenter snapshots and can shift on promotions. Tolerance figures are pulled from vendor datasheets and independent lab tests (All3DP, MatterHackers, Reddit r/3Dprinting). Brand reputation reflects aggregated community experience. All filaments are flagged reliability: estimated.

Affiliate disclosure: No extra cost to you, no influence on scoring or quality ranking. As an Amazon Associate we earn from qualifying purchases.

Decision Engine · Q2/2026 · v1.0

Frequently Asked Questions

Which filament is best for 3D printing beginners?
PLA is the beginner filament of choice: it prints at low temperatures (190-220 °C), barely warps, and doesn't strictly need a heated bed. Concrete picks: Polymaker PolyLite PLA ($20/kg), eSUN PLA+ ($19/kg), or Inland PLA from Microcenter ($15/kg). If your budget allows: Bambu Lab PLA Basic ($20/kg) offers even more convenience inside the AMS system.
PLA vs. PLA+ — what's the actual difference?
PLA+ is mostly a marketing term for 'improved PLA with additives' — chemically about 95% the same as regular PLA. Genuine copolymer improvements show up in Polymaker PolyMax (PLA Tough with 9x the impact strength) and ColorFabb PLA/PHA (PHA blend boosts toughness). With eSUN PLA+ and Hatchbox PLA+ the differences vs. standard PLA are measurable but not dramatic.
When is premium filament like Prusament or Bambu Lab worth it?
Premium filaments ($28-47/kg) make sense for: (1) precision prints with tolerances tighter than ±0.03 mm where every variation is visible, (2) functional parts that need documented material properties, (3) AMS/MMU systems where cardboard spools can struggle. For pure aesthetic prints or school/hobby work, mid-tier (eSUN, Polymaker PolyLite) is more than enough.
Where to buy filament in the US — Amazon vs. MatterHackers vs. Microcenter?
Amazon: widest selection of mainstream brands (eSUN, SUNLU, JAYO, Hatchbox, Overture), best prices, fastest Prime shipping. MatterHackers: curated lineup of premium brands (Polymaker, Fillamentum, ColorFabb, NinjaTek) with strong in-house Build Series, knowledgeable support, fast US shipping. Microcenter: Inland house brand is the cheapest decent PLA in the country if you live near a store.
Tolerance ±0.02 vs. ±0.05 mm — when do I need hi-precision filament?
Tolerance under ±0.03 mm matters when: (1) printing snap-fit connections and tolerance-critical dimensions, (2) running multi-material prints (consistent extrusion across filament swaps), (3) detail models at layer heights under 0.1 mm. For typical hobby prints, cosplay props, and decorative work, ±0.05 mm is perfectly fine.
How long does filament last on the shelf?
Vacuum-sealed: 24+ months in a dry, dark space. Opened: 6-12 months at normal indoor humidity (under 50% RH). Hygroscopic filaments (PETG, ASA, ABS, Nylon, BVOH, TPU) belong in airtight bins with desiccant — moist filament leads to crackling sounds while printing, stringing, and weak layer adhesion.
When does filament need to be dried?
Clear signs of damp filament: (1) crackling/popping sounds during printing, (2) visible stringing despite optimal retraction, (3) rough layer surface, (4) layer-bonding issues. Drying with a filament dryer (e.g., SUNLU FilaDryer S2): PLA 45 °C / 4-6 h, PETG 65 °C / 4-6 h, ABS/ASA 80 °C / 4 h, Nylon 80 °C / 12 h, TPU 50 °C / 8 h.
When should I pick PETG over PLA?
PETG beats PLA for: (1) outdoor use (more UV-stable, heat-tolerant up to ~75 °C), (2) mechanical loads (tougher, less brittle), (3) functional parts with snap-fit connections, (4) food-contact prints (PETG is food-safe certified by many vendors). Trade-off: more stringing-prone, higher print temps (230-260 °C vs. 200-220 °C).
TPU for functional parts — which Shore hardness do I need?
Shore 95A (most common TPU, e.g., Polymaker PolyFlex): phone cases, belts, gaskets, shock absorbers. Shore 85A (very soft, e.g., NinjaFlex): shoe soles, vibration dampers, soft grippers. Shore 75A (extremely soft, specialty filaments): medical applications, soft-skin imitations. For 90% of hobby applications, 95A is the right pick.
Carbon-fiber PLA like Bambu PLA-CF — is it worth it?
PLA-CF makes sense for: (1) structural parts that need more stiffness than standard PLA, (2) drone/RC parts where weight matters, (3) functional brackets that PETG would flex too easily for. Critical: a hardened-steel nozzle (Bondtech CHT, E3D Hardened) is mandatory — the carbon fibers grind down standard brass nozzles within 3-5 spools.

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