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Single-spool filament, ranked by £/kg — page 35

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.

3,038 listings tracked, 533 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
3D-Fuel Tough Pro PCTG Filament for 3D Printing, Better Than PETG Filament, Ma	PCTG	1 kg	★★★★½ 4.3 out of 5 (389 Amazon ratings)	£31.46	£31.46	23% below
3D-Fuel Tough Pro PCTG Filament for 3D Printing, Better Than PETG Filament, Ma	PCTG	1 kg	★★★★☆ 4.2 out of 5 (35 Amazon ratings)	£31.46	£31.46	28% below
FLASHFORGE ABS PRO 3D Printer Filament, Robust and Heat-resistant Filaments, 1	ABS	1 kg	★★★★½ 4.5 out of 5 (69 Amazon ratings)	£31.53	£31.53	—
Chitu Systems Conjure Silk PLA 3D Printer Filament, 1.75mm Tri-Color Filament,	PLA	1 kg	★★★★½ 4.7 out of 5 (135 Amazon ratings)	£31.53	£31.53	—
VERBATIM PLA-Filament 3D-Printing I 1,75mm I 1kg I high end polyactide-Filamen	PLA	1 kg	★★★★½ 4.4 out of 5 (241 Amazon ratings)	£31.55	£31.55	—
iBOSS Candy Rainbow PLA+ Filament 1.75 mm, 1 kg (2.2 lbs), 325 m, Silk Rainbow	PLA+	1 kg	★★★★½ 4.3 out of 5 (40 Amazon ratings)	£31.59	£31.59	—
kexcelled Macaron Matte PLA Filament 1.75 mm +/- 0.03 mm, Upgrade PLA Roll, 3D	PLA	1 kg	★★★★½ 4.6 out of 5 (577 Amazon ratings)	£31.68	£31.68	28% below
extrudr® DuraPro ABS Diameter 1.75 mm (750 g) 'White/White' - 3D Printer Filam	ABS	0.75 kg	★★★★½ 4.3 out of 5 (6 Amazon ratings)	£23.78	£31.71	—
FLASHFORGE 3D Printer Filament, PLA PRO Filament 1.75mm, 1KG Spool (2.2lbs), D	PLA	1 kg	★★★★★ 4.9 out of 5 (34 Amazon ratings)	£31.72	£31.72	—
ASA Filament 1.75mm Light Ivory 1kg UV & Weather Resistant Perfect for Outdoor	ASA	1 kg	★★★★★ 4.8 out of 5 (29 Amazon ratings)	£31.73	£31.73	—
3D-Fuel Tough Pro PCTG Filament for 3D Printing, Better Than PETG Filament, Ma	PCTG	1 kg	★★★★½ 4.3 out of 5 (387 Amazon ratings)	£31.75	£31.75	35% below
SainSmart Black Flexible TPU 3D Printing Filament, 1.75 mm, 1kg (2.54 lbs), 95	TPU	1 kg	★★★★☆ 4.1 out of 5 (76 Amazon ratings)	£31.76	£31.76	Like New · 6% under new
Wakects 1.75mm Flexible TPU Filament, 1KG Spool for 3D Printers with Dimension	TPU	1 kg	—	£31.78	£31.78	—
3D-Fuel FUELING Your Creativity 3D Filament, 1.75mm, 1kg, Desert Tan, Polycycl	—	1 kg	★★★★½ 4.3 out of 5 (389 Amazon ratings)	£31.80	£31.80	35% below
FLASHFORGE 3D Printer Filament, PLA PRO Filament 1.75mm, 1KG Spool (2.2lbs), D	PLA	1 kg	★★★★☆ 4.2 out of 5 (59 Amazon ratings)	£31.83	£31.83	—
SainSmart Gray Flexible TPU 3D Printing Filament, 1.75 mm, 0.8 kg, Dimensional	TPU	0.8 kg	★★★★½ 4.5 out of 5 (790 Amazon ratings)	£25.48	£31.85	—
Polymaker PA02006 PolyLite Filament PLA 1.75mm 1000g Green 1 pc(s)	PLA	1 kg	★★★★½ 4.5 out of 5 (172 Amazon ratings)	£31.86	£31.86	—
FLASHFORGE 3D Printer Filament, PLA PRO Filament 1.75 mm, 1 kg Spool, Dimensio	PLA	1 kg	★★★★★ 5.0 out of 5 (1 Amazon ratings)	£31.86	£31.86	—
3D-Fuel 3D Filament Tough Pro PCTG Charcoal Gray, Better Than PETG, 1.75mm, 1	PCTG	1 kg	★★★★½ 4.3 out of 5 (387 Amazon ratings)	£31.86	£31.86	—
Closer 3D Printer Filament, PETG Filament,1.75mm Filament for 3D Printer 1KG S	PETG	1 kg	—	£31.94	£31.94	—
Bambu Lab 3D Printer Filament, PLA Basic 1.75mm, Precise Diameter +/- 0.02mm,	PLA	1 kg	★★★★½ 4.6 out of 5 (36 Amazon ratings)	£32.00	£32.00	15% below
PRILINE Superhard Carbon Fiber Polycarbonate 1KG 1.75 3D Printer Filament, Dim	PC	1 kg	★★★★☆ 4.0 out of 5 (85 Amazon ratings)	£32.12	£32.12	Very Good · 34% under new
kexcelled Matte PLA Ash Gray Filament 1.75mm, Frosted Finish, 1kg	PLA	1 kg	★★★★☆ 4.2 out of 5 (46 Amazon ratings)	£32.16	£32.16	—
MarsWork PLA Basic, Pre-Dried Refill Filament 1kg (2.2lbs) for Reusable Spools	PLA	1 kg	★★★★★ 4.8 out of 5 (31 Amazon ratings)	£32.17	£32.17	—
RAMBERY 3D Printer PLA Filament Matte Rainbow PLA Filament for Most FDM 3D Pri	PLA	1 kg	★★★★½ 4.5 out of 5 (149 Amazon ratings)	£32.20	£32.20	—
RAMBERY Glow in The Dark Rainbow 3D Printer Filament Luminous PLA Filament 1.7	PLA	1 kg	★★★★½ 4.5 out of 5 (149 Amazon ratings)	£32.24	£32.24	—
Winkle Matte PLA Filament Cobalt Blue | 3D Printer Filament | PLA Filament 1.7	PLA	1 kg	★★★½☆ 3.3 out of 5 (18 Amazon ratings)	£32.28	£32.28	—
PLA 1.75mm Filament High Accuracy Smokeless 3D Printer Filament Printing Consu	PLA	1 kg	—	£32.28	£32.28	—
kexcelled Macaron Matte PLA Filament 1.75mm, Ice Blue, 1kg	PLA	1 kg	★★★★½ 4.6 out of 5 (577 Amazon ratings)	£32.37	£32.37	—
kexcelled Macaron Matte PLA Filament 1.75mm, Mint Green, 1kg	PLA	1 kg	★★★★½ 4.6 out of 5 (586 Amazon ratings)	£32.39	£32.39	—
YXPOLYER ASA Filament 1.75mm 1kg Olive Drab 3D Printer Filament, UV Rain Heat	ASA	1 kg	★★★★½ 4.4 out of 5 (26 Amazon ratings)	£32.40	£32.40	—
Cookiecad Mermaid (Purple->Blue->Green Rainbow Transition) PLA 3D Printer Fila	PLA	1 kg	★★★★½ 4.6 out of 5 (134 Amazon ratings)	£32.57	£32.57	—
eSUN Matte PLA Filament 1.75mm, 3D Printing PLA Filament 1kg Carboard Spool (2	PLA	1 kg	—	£32.62	£32.62	16% below
Winkle Matte Cream White PLA Filament | 1.75 mm 1 kg | White Matte PLA | FDM 3	PLA	1 kg	★★★½☆ 3.3 out of 5 (18 Amazon ratings)	£32.69	£32.69	—
Creality Hyper PLA Filamento, Filamento para Impresora 3D 1.75 mm 1KG, PLA de	PLA	1 kg	★★★★½ 4.6 out of 5 (250 Amazon ratings)	£32.69	£32.69	—
TINMORRY ABS-GF 1.75 mm 3D Printer Filament, Fibreglass Reinforced ABS Filamen	ABS	1 kg	★★★★★ 5.0 out of 5 (1 Amazon ratings)	£32.69	£32.69	—
PETG Filament 1.75mm Metallic Blue, PETG 3D Printing Filament, Compatible with	PETG	1 kg	★★★★☆ 4.2 out of 5 (52 Amazon ratings)	£32.77	£32.77	—
JG MAKER 3D Printer Filament PLA 1.5mm Black 1KG Spool Suite R1 Neo	PLA	1 kg	—	£32.78	£32.78	—
CCTREE PETG Filament 1.75mm, 1KG Spool, Dimensional Accuracy +/- 0.03mm, Excep	PETG	1 kg	★★★★☆ 4.0 out of 5 (115 Amazon ratings)	£32.79	£32.79	—
Polymaker Fiberon Black PET-GF15 3D Printer Filament 1.75mm 1KG, 15% Glass Fib	PET-CF	1 kg	★★★★½ 4.6 out of 5 (40 Amazon ratings)	£32.83	£32.83	32% below
Creality Official 3D Printer Filament, Hyper PLA High Speed Filament, 1.75mm 3	PLA	1 kg	★★★★½ 4.6 out of 5 (524 Amazon ratings)	£32.89	£32.89	—
AICOPYTO Dual Color Silk PLA 3D Printer Filament 1.75mm, Dual Color 2-in-1 Bla	PLA	1 kg	—	£32.96	£32.96	45% below
kexcelled Macaron Matte PLA Filament 1.75 mm +/- 0.03 mm, Upgrade PLA Roll, 3D	PLA	1 kg	★★★★½ 4.6 out of 5 (577 Amazon ratings)	£32.97	£32.97	12% below
Bamboo Lab 1.75MM PLA Matte Filament High Speed Printing with RFID 1KG +/- 0.0	PLA	1 kg	★★★★½ 4.5 out of 5 (191 Amazon ratings)	£32.99	£32.99	14% below
extrudr® DuraPro ASA Diameter 1.75 mm (750 g) 'Yellow/Yellow' - 3D Printer Fil	ASA	0.75 kg	★★★★★ 5.0 out of 5 (3 Amazon ratings)	£24.75	£33.00	—
UGEE PLA 3D Printer Filament PLA Filament 1.75mm, Neatly Wound 3D Printing Fil	PLA	1 kg	—	£33.03	£33.03	—
Winkle PLA Matte Filament 1.75 mm Graphite Black 1 kg, 3D Printer Filament	PLA	1 kg	★★★☆☆ 2.9 out of 5 (2 Amazon ratings)	£33.04	£33.04	—
Creality Hyper PLA Filamento, Filamento para Impresora 3D 1.75 mm 1KG, PLA de	PLA	1 kg	★★★★½ 4.6 out of 5 (255 Amazon ratings)	£33.05	£33.05	—
Winkle Matte PLA Filament 1.75mm Red 1kg	PLA	1 kg	★★★½☆ 3.3 out of 5 (18 Amazon ratings)	£33.07	£33.07	—
Creality Hyper PLA Filament, 3D Printer Filament 1.75mm 1kg, High Speed PLA 30	PLA	1 kg	★★★★½ 4.6 out of 5 (250 Amazon ratings)	£33.12	£33.12	—
XVICO Wood PETG Filament, 1.75 mm, 1 kg, High Precision 3D Printing Filament	PETG	1 kg	★★★★☆ 4.0 out of 5 (210 Amazon ratings)	£33.13	£33.13	—
LOVOON 3D Printer Filament Dual Color Sky Blue and Rose Red, PLA Filament 1.75	TPU	1 kg	★★★★½ 4.5 out of 5 (1,389 Amazon ratings)	£33.12	£33.19	21% below
extrudr® PLA NX2 Matte Diameter 1.75 mm (1 kg) 'Matte Grey' - 3D Printer Filam	PLA	1 kg	★★★★½ 4.4 out of 5 (117 Amazon ratings)	£33.22	£33.22	—
extrudr® DuraPro ASA Diameter 1.75 mm (750 g) 'Neon Orange' - 3D Printer Filam	ASA	0.75 kg	★★★★½ 4.5 out of 5 (205 Amazon ratings)	£24.95	£33.27	6% below
Creality PLA Filament, Hyper PLA RFID 3D Printer Filament, High Speed 30-600 m	PLA	1 kg	★★★★½ 4.7 out of 5 (223 Amazon ratings)	£33.27	£33.27	—
Stronghero3D PLA 3D Printer Filament 1.75mm BRO Rainbow 1kg(2.2lbs) for ender3	PLA	1 kg	★★★★☆ 4.2 out of 5 (109 Amazon ratings)	£33.28	£33.28	—
Stronghero3D ABS 3D Printer Filament 1.75mm,Multicolors,Rainbow,1kg(2.2lbs) Ac	ABS	1 kg	★★★★☆ 4.0 out of 5 (88 Amazon ratings)	£33.29	£33.29	23% below
kexcelled Matte PLA Mustard Yellow Filament 1.75mm, Frosted Finish, 1kg	PLA	1 kg	★★★★½ 4.6 out of 5 (577 Amazon ratings)	£33.30	£33.30	—
TRONXY High Speed PETG Filament 1.75mm ±0.03, Black Rapid 3D Printer Filament	PETG	1 kg	—	£33.33	£33.33	—
Creality Hyper PLA Filamento, Filamento para Impresora 3D 1.75 mm 1KG, PLA de	PLA	1 kg	★★★★½ 4.6 out of 5 (250 Amazon ratings)	£33.35	£33.35	—

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.