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Single-spool filament, ranked by £/kg — page 41

One spool per listing, with bundles and multipacks left out. Bundles take the top of any ranking by cost per kilogram, so this is the list to use when you want the cheapest single spool: to try a brand, to match a colour, or for a first order. Pick a weight below to compare like with like.

3,093 listings tracked, 500 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
GratKit PLA+ Filament 1.75mm, 3D Printer Filament,+/-0.03mm,1KG, PLA Plus Whit	PLA+	1 kg	★★★★½ 4.5 out of 5 (2 Amazon ratings)	£41.63	£41.63	—
RAMBERY Matte Rainbow 3D Printer Filament Muticolor PLA Filament Fast Color Ch	PLA	1 kg	★★★★½ 4.5 out of 5 (149 Amazon ratings)	£41.63	£41.63	5% below
extrudr PETG 1.75 mm 1.1 kg Red	PETG	1.1 kg	★★★½☆ 3.3 out of 5 (5 Amazon ratings)	£45.83	£41.66	—
OVVNYXE 1.75mm Wood Walnut PLA Filament, 1kg, 1.75mm Diameter, 2.2lbs, Polylac	PLA	1 kg	★★★★☆ 3.8 out of 5 (69 Amazon ratings)	£41.68	£41.68	—
TINMORRY Fibreglass Reinforced TPU Filament 1.75 mm, Impact-Resistant TPU GF 3	TPU	1 kg	★★★★★ 5.0 out of 5 (3 Amazon ratings)	£41.68	£41.68	—
OVV3D PLA Filament 1.75mm, 3D Printer Filament Silk PLA Dual Color PLA Filamen	PLA	1 kg	★★★★★ 4.8 out of 5 (11 Amazon ratings)	£41.78	£41.78	—
eSUN PLA+ Filament 1.75mm Space Blue, 3D Printer Filament 1kg Cardboard Spool(	PLA+	1 kg	★★★★½ 4.7 out of 5 (630 Amazon ratings)	£41.89	£41.89	—
Panchroma PLA Lime Green 3D Printer Filament, 1.75mm, 1kg Spool, Easy to Print	PLA	1 kg	★★★★½ 4.6 out of 5 (295 Amazon ratings)	£41.97	£41.97	—
Bambu Lab PLA Silk+ 3D Shiny Silk Filament - Improved Adhesion - Easy to Print	PLA	1 kg	★★★★½ 4.4 out of 5 (40 Amazon ratings)	£41.98	£41.98	—
Polymaker HT-PLA-GF Filament 1.75mm White, High Temp PLA for 3D Printing, Heat	PLA-CF	1 kg	★★★★☆ 4.2 out of 5 (29 Amazon ratings)	£42.02	£42.02	—
Bambu Lab ABS Filament 1.75mm 1kg Spool - High-Strength, Heat-Resistant 3D Pri	ABS	1 kg	★★★★½ 4.4 out of 5 (12 Amazon ratings)	£42.12	£42.12	5% below
LEE FUNG TPU 3D Printing Filament Dimensional Accuracy +/- 0.05 mm 1.75mm 2.2	TPU	1 kg	★★★★★ 5.0 out of 5 (1 Amazon ratings)	£42.07	£42.15	—
eSUN PLA+ Filament 1.75mm Purple 1KG, 3D Printer Filament Dimensional Accuracy	PLA+	1 kg	★★★★½ 4.7 out of 5 (628 Amazon ratings)	£42.42	£42.42	—
Kingroon Silk PLA Filament 1.75mm Rainbow 3D Printer Filament PLA Filament 1kg	PLA	1 kg	★★★★½ 4.4 out of 5 (45 Amazon ratings)	£42.46	£42.46	—
PLA Filament 1.75mm, 3D Printer Filament Silk Black Purple Color Changing, Sil	PLA	1 kg	★★★★☆ 4.2 out of 5 (443 Amazon ratings)	£42.48	£42.48	—
Bambu Lab PETG HF 3D Printer Filament, 300mm/s High Speed, Easy Print, Smooth	PETG	1 kg	★★★★½ 4.7 out of 5 (567 Amazon ratings)	£42.49	£42.49	—
Bambu Lab 3D Printer Filament, PLA Basic 1.75mm, Precise Diameter +/- 0.02mm,	PLA	1 kg	★★★★½ 4.4 out of 5 (89 Amazon ratings)	£42.51	£42.51	—
Bambu Lab PLA Matte Filament 1.75mm 1kg Spool - PLA 3D Printer Filament, Smoot	PLA	1 kg	★★★★½ 4.4 out of 5 (74 Amazon ratings)	£42.55	£42.55	—
OVVNYXE PLA Filament 1.75mm, Silk Black Green Color Changing, 1kg	PLA	1 kg	★★★★☆ 4.2 out of 5 (118 Amazon ratings)	£42.69	£42.69	—
Bambu Lab PETG Translucent Filament 1.75mm 1kg Spool - Strong Durable 3D Print	PETG	1 kg	★★★★½ 4.3 out of 5 (47 Amazon ratings)	£42.74	£42.74	—
Conjure Matte PLA Filament 1.75mm, Matte Rainbow 1kg,Dopamine Series	PLA	1 kg	★★★★½ 4.5 out of 5 (374 Amazon ratings)	£42.85	£42.85	—
dikale 1.75 mm 3D Printer Filament PLA 1 kg Glow in the Dark Blue	PLA	1 kg	★★★★☆ 4.2 out of 5 (192 Amazon ratings)	£42.89	£42.89	—
YWBL-WH Double Color Golden Red Pla Filament for 3D Printing 1.75 Mm 200 G 30-	PLA	0.2 kg	—	£8.58	£42.90	—
Bambu Lab PLA Filament Matte 3D Printer Filament 1.75mm PLA 1kg High Tenacity	PLA	1 kg	★★★★☆ 4.0 out of 5 (19 Amazon ratings)	£42.94	£42.94	—
extrudr® DuraPro ASA ø1.75mm (750gr) - Grey - 3D Printer Filament - Made in Au	ASA	0.75 kg	★★★★½ 4.5 out of 5 (205 Amazon ratings)	£32.21	£42.95	—
TINMORRY Metallic PLA (Polylactic Acid) 3D Printer Filament, 1.75 mm, 1 kg, 1	PLA	1 kg	★★★★☆ 3.9 out of 5 (6 Amazon ratings)	£42.96	£42.96	6% below
Semdon 3D Printer Filament Rainbow Universe PLA Silk 1kg 1.75mm Multi Color, D	PLA	1 kg	★★★★½ 4.4 out of 5 (7 Amazon ratings)	£42.97	£42.97	—
3DTOOLS Bamboo Original 1.75MM ASA Filament UV Resistance and Highly Durable w	ASA	1 kg	—	£42.99	£42.99	9% below
extrudr® DuraPro ASA Diameter 1.75 mm (750 g) 'Silver/Silver' - 3D Printer Fil	ASA	0.75 kg	★★★★½ 4.5 out of 5 (189 Amazon ratings)	£32.26	£43.01	—
Bambu Lab PLA Filament Matte 3D Printer Filament 1.75mm PLA 1kg High Tenacity	PLA	1 kg	★★★★☆ 4.0 out of 5 (19 Amazon ratings)	£43.01	£43.01	—
extrudr® DuraPro ASA Diameter 1.75 mm (750 g) 'Emerald Green' - 3D Printer Fil	ASA	0.75 kg	★★★★½ 4.5 out of 5 (204 Amazon ratings)	£32.30	£43.07	—
HP3DF PLA Filament, 3D Printer Filament, PLA Filament 1.75mm Dimensional Accur	PLA	1 kg	★★★★☆ 4.2 out of 5 (70 Amazon ratings)	£43.07	£43.07	—
XYZprinting PLA Filament, 1.75 mm, 600 g NFC Spool, Clear Red, RFPLCXEU02A	PLA	0.6 kg	★★★★☆ 4.1 out of 5 (1,039 Amazon ratings)	£25.86	£43.10	20% below
Silk Tricolor PLA Filament 1.75mm, 3D Printer 3-in-1 Multicolor PLA Filament,	PLA	1 kg	★★★★½ 4.4 out of 5 (260 Amazon ratings)	£43.11	£43.11	—
Silk Gradient Rainbow Translucent Blue Green PLA Filament 1.75mm High Intensit	PLA	1 kg	★★★★☆ 4.2 out of 5 (4 Amazon ratings)	£43.20	£43.20	—
extrudr® DuraPro ASA ø1.75mm (750gr) - Anthracite - 3D Printer Filament - Made	ASA	0.75 kg	★★★★½ 4.5 out of 5 (204 Amazon ratings)	£32.49	£43.32	—
Silk PLA Filament 1.75mm Two Tone Gold Green Two Tone PLA 3D Printer Filament	PLA	1 kg	—	£43.35	£43.35	—
Bambu Lab PLA Matte Filament 1.75mm 1kg Spool - PLA 3D Printer Filament, Smoot	PLA	1 kg	★★★★½ 4.4 out of 5 (79 Amazon ratings)	£43.37	£43.37	—
Pla Silk Printer Filament 1.75mm, Shiny 1kg for 3D Printing	PLA	1 kg	—	£43.39	£43.39	—
3Dgenius Polylactic Acid 3D Printer Filament Tri-Color Silk 3D Printing Filame	PLA	1 kg	★★★★☆ 4.0 out of 5 (49 Amazon ratings)	£43.36	£43.45	—
3D Printer Filament 1.75mm Dimensional 200g Spool for Most 3D Printer	—	0.2 kg	—	£8.69	£43.45	—
Bambu Lab 3D Printer Filament, PLA Basic 1.8 mm, Precise Diameter +/- 0.02 mm,	PLA	1 kg	★★★★½ 4.6 out of 5 (42 Amazon ratings)	£43.48	£43.48	—
YXPOLYER Breakaway Support Filament 1kg 1.75mm with Upgraded PC Reusable AMS-C	Nylon	1 kg	★★★★☆ 4.0 out of 5 (43 Amazon ratings)	£43.48	£43.48	—
Bambu Lab 3D Printer Filament, 1.75mm PLA 3D Printing Filament Dimensional Acc	PLA	1 kg	★★★★½ 4.4 out of 5 (56 Amazon ratings)	£43.52	£43.52	—
Bambu Lab PLA Matte Filament 1.75mm 1kg Spool - PLA 3D Printer Filament, Smoot	PLA	1 kg	★★★★½ 4.4 out of 5 (76 Amazon ratings)	£43.52	£43.52	—
extrudr® PCTG Diameter 1.75 mm (0.8 kg) 'Silver' - 3D Printer Filament - Made	PCTG	0.8 kg	★★★★½ 4.3 out of 5 (49 Amazon ratings)	£34.85	£43.56	—
ARIANEPLAST PLA Food Safe Filament Spool – 3D Printing Material – 1.75 mm – 75	PLA	0.75 kg	★★★★☆ 4.2 out of 5 (142 Amazon ratings)	£32.69	£43.59	—
ASA Filament 1.75mm Mint Green 1KG, High-Speed Printing UV & Weather & Heat Re	ASA	1 kg	★★★★½ 4.3 out of 5 (78 Amazon ratings)	£43.60	£43.60	—
ASA Filament 1.75mm Lavender Purple 1KG, UV & Weather & Heat Resistant 3D Prin	ASA	1 kg	★★★★½ 4.3 out of 5 (78 Amazon ratings)	£43.64	£43.64	—
CIYODO 1.75mm TPU Filament for 3D Printer 1kg Roll Non-Clogging with Stable Me	TPU	1 kg	—	£43.69	£43.69	12% below
Bambu Lab PLA Matte Filament 1.75mm 1kg Spool - PLA 3D Printer Filament, Smoot	PLA	1 kg	★★★★½ 4.4 out of 5 (73 Amazon ratings)	£43.72	£43.72	—
Polymaker PolyMax Tough PLA 3D Printer Filament - 1.75mm - 750G Blue	PLA	0.75 kg	★★★★★ 4.9 out of 5 (18 Amazon ratings)	£32.83	£43.77	28% below
Siraya Tech Fibreheart PET-GF ODG Olive Green 3D Printing Filament, 1kg - 15%	PET-CF	1 kg	★★★★½ 4.5 out of 5 (21 Amazon ratings)	£43.81	£43.81	6% below
Cookiecad Granite Mixer Dual-PLA 3D Printer Filament 1.75mm 1kg	PLA	1 kg	★★★★½ 4.6 out of 5 (1,006 Amazon ratings)	£43.92	£43.92	19% below
Comgrow - 3D Printer PLA Silk Filament 3D Printer, Rainbow PLA Filament 1.75mm	PLA	1 kg	★★★★½ 4.6 out of 5 (40 Amazon ratings)	£43.94	£43.94	—
Bambu Lab PETG HF (1.75mm, 1kg)	PETG	1 kg	★★★★☆ 3.8 out of 5 (4 Amazon ratings)	£43.95	£43.95	18% below
extrudr® DuraPro ASA ø1.75mm (750gr) 'White' - 3D Printer Filament - Made in A	ASA	0.75 kg	★★★★½ 4.5 out of 5 (205 Amazon ratings)	£33.01	£44.01	—
OVV3D Rainbow PLA Filament 1.75mm, Rainbow PLA Silk PLA 3D Printer Filament Mu	PLA	1 kg	★★★☆☆ 3.2 out of 5 (41 Amazon ratings)	£44.01	£44.01	—
Bambu Lab 3D Printer Filament, 1.75mm PLA 3D Printing Filament Dimensional Acc	PLA	1 kg	★★★★½ 4.4 out of 5 (56 Amazon ratings)	£44.03	£44.03	—
Polymaker PolySonic High Speed PLA PRO - 1.75mm - 1kg - Red	PLA	1 kg	★★★★★ 5.0 out of 5 (2 Amazon ratings)	£44.04	£44.04	—

Guides

• Bed adhesion: what actually works
  Glue sticks, hairspray, rafts, brims and expensive surfaces — an honest ranking of what fixes prints coming loose, starting with the free fix that solves most cases.
• Do you need a filament dryer?
  Wet filament is real and ruins prints, but a dedicated dryer is not the only answer. How to tell if moisture is your problem, and what to do about it.
• Filament storage: dry boxes, vacuum bags and desiccant
  Keeping filament dry is cheaper than drying it out. What actually works, what desiccant to use, and why the little sachet in the bag is already spent.
• First layer calibration, properly
  Nearly every adhesion problem and half of all print failures start in the first layer. How to set Z offset by eye, and what a good first layer actually looks like.

Best-selling Filament by year — which actually sold best, going back several years, ranked by sales position rather than opinion.