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Single-spool filament, under 1 kg, ranked by £/kg — on offer now

Every listing we track on Amazon UK that matches all of these filters, ranked by £/kg. Remove a filter with its "All" chip to widen the list.

47 currently discounted.

Product	Material	Weight	Rating	Price	Per kg	Deal
ERYONE TPU Filament 1.75mm, 3D Printer Filament,Flexible 95A TPU, +/-0.03mm, 0	TPU	0.5 kg	★★★★½ 4.5 out of 5 (2,364 Amazon ratings)	£8.64	£17.28	Warehouse · 10% under new
Fiberlogy EASY PET-G Red, 1.75mm (±0.02), 0.85kg of PETG filament made in EU f	PETG	0.85 kg	★★★★★ 5.0 out of 5 (1 Amazon ratings)	£15.10	£17.76	Warehouse · 18% under new
ERYONE TPU Filament 1.75mm, 3D Printer Filament,Flexible 95A TPU, +/-0.03mm, 0	TPU	0.5 kg	★★★★½ 4.5 out of 5 (2,364 Amazon ratings)	£8.98	£17.96	Warehouse · 30% under new
ERYONE TPU Filament 1.75mm, 3D Printer Filament,Flexible 95A TPU, +/-0.03mm, 0	TPU	0.5 kg	★★★★½ 4.5 out of 5 (2,364 Amazon ratings)	£11.75	£23.50	Warehouse · 30% under new
Carbon Fiber Polypropylene Filament 1.75mm, No Warping & Moisture Free Filamen	PP	0.7 kg	★★★★½ 4.4 out of 5 (10 Amazon ratings)	£16.72	£23.89	Warehouse
ERYONE PLA Silk Shiny 3D Printer Filament 1.75mm, Triple Silk PLA Filament, Co	PLA	0.25 kg	★★★★½ 4.4 out of 5 (900 Amazon ratings)	£6.28	£25.12	Warehouse
extrudr® DuraPro ASA Diameter 1.75 mm (750 g) 'Neon Yellow/Yellow' - 3D Printe	ASA	0.75 kg	★★★★½ 4.5 out of 5 (204 Amazon ratings)	£23.06	£30.75	—
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	—
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
Prusament 3D Printer Premium Filament ASA Jet Black 1.75mm - 800g Spool	ASA	0.8 kg	★★★★½ 4.6 out of 5 (29 Amazon ratings)	£29.99	£37.49	6% below
Polymaker PolyLite LW-PLA - 1.75mm - 800g - White	PLA	0.8 kg	★★★★☆ 4.2 out of 5 (309 Amazon ratings)	£30.14	£37.68	8% below
colorFabb AllPHA White 3D Print Filament,1.75mm,750g	—	0.75 kg	★★★★☆ 4.0 out of 5 (1 Amazon ratings)	£28.98	£38.64	38% below
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
Polymaker PolyMax Tough PLA 3D Printer Filament - 1.75mm - 750G Blue	PLA	0.75 kg	★★★★★ 4.9 out of 5 (18 Amazon ratings)	£32.96	£43.95	28% below
extrudr DuraPro ASA ø1.75mm (750gr) - Black - 3D Printer Filament - Made in Au	ASA	0.75 kg	★★★★½ 4.5 out of 5 (189 Amazon ratings)	£33.16	£44.21	—
extrudr® PCTG 1.75 mm (0.8 kg) 'Transparent' 3D Printer Filament , Made in Aus	PCTG	0.8 kg	★★★★☆ 4.2 out of 5 (46 Amazon ratings)	£35.79	£44.74	—
extrudr® Greentec Pro 'Anthracite' BDP Diameter 1.75 mm (0.8 kg) - Petroleum-F	—	0.8 kg	★★★★☆ 4.2 out of 5 (145 Amazon ratings)	£37.56	£46.95	—
Polymaker Tough PLA 3D Printer Filament 1.75mm, 750g FDE Beige PLA Filament -	PLA+	0.75 kg	★★★★½ 4.6 out of 5 (62 Amazon ratings)	£36.06	£48.08	22% below
Polymaker PD01004 PolyFlex TPU-95A Filament TPU flexibel 1.75mm 750g yellow1 p	TPU	0.75 kg	★★★★½ 4.4 out of 5 (26 Amazon ratings)	£37.27	£49.69	49% below
1.75mm Color PLA Filament for 200g, Smoothly Melting PLA Filament for Fine Art	PLA	0.2 kg	—	£10.39	£51.95	—
colorFabb LW-PLA-HT White 3D Print Filament,1.75mm,750g	PLA	0.75 kg	★★★★☆ 4.2 out of 5 (15 Amazon ratings)	£42.62	£56.83	29% below
Verbatim 3D Printer Filament, PP 1,75mm, 0,5 kg Transp, (1,75mm, 0,5 kg Transp	PP	0.5 kg	★★★½☆ 3.5 out of 5 (6 Amazon ratings)	£29.35	£58.70	—
Polymaker PJ01007 PolySmooth Filament PVB polierbar 1.75mm 750g yellow1 pc(s)	PVB	0.75 kg	★★★★½ 4.4 out of 5 (139 Amazon ratings)	£45.76	£61.01	12% below
Polymaker PJ01008 PolySmooth Filament PVB polierbar 1.75mm 750g Orange 1 pc(s)	PVB	0.75 kg	★★★★½ 4.4 out of 5 (139 Amazon ratings)	£45.78	£61.04	13% below
BuildTak PM70107 PolyFlex Flexible Filament, 0.75 kg Spool, 1.75 mm Diameter,	TPU	0.75 kg	★★★★½ 4.5 out of 5 (70 Amazon ratings)	£45.99	£61.32	16% below
Winkle PETG Filament 1.75 mm Royal Blue, 300 g Spool, 3D Printer Filament Comp	PETG	0.3 kg	★★★★☆ 4.1 out of 5 (60 Amazon ratings)	£18.48	£61.60	—
Winkle 3D Printer Filament, PLA Marble, 1.75mm, 300g	PLA	0.3 kg	★★★★½ 4.3 out of 5 (349 Amazon ratings)	£18.53	£61.77	—
Winkle HD Glitter PLA Filament (Particles) Purple | 3D Printer Filament | PLA	PLA	0.3 kg	★★★★☆ 4.1 out of 5 (126 Amazon ratings)	£18.63	£62.10	—
Winkle PLA Filament | PLA 1.75 mm | Printing Filament | 3D Printer | 3D Filame	PLA	0.3 kg	★★★★☆ 4.1 out of 5 (589 Amazon ratings)	£18.66	£62.20	—
Winkle PLA Filament | PLA 1.75 mm | Printing Filament | 3D Printer | 3D Filame	PLA	0.3 kg	★★★★☆ 4.2 out of 5 (532 Amazon ratings)	£19.01	£63.37	—
Winkle PLA Filament | PLA 1.75 mm | Printing Filament | 3D Printer | 3D Filame	PLA	0.3 kg	★★★★☆ 4.0 out of 5 (163 Amazon ratings)	£19.03	£63.43	—
Winkle PLA Filament | PLA 1.75mm | 3D Printer Filament | Skin Brown | 300g Spo	PLA	0.3 kg	★★★★☆ 4.0 out of 5 (298 Amazon ratings)	£19.21	£64.03	—
Winkle PLA Filament, Devil Red, 1.75mm, 300g Spool, Thermoplastic Filament for	PLA	0.3 kg	★★★★☆ 4.1 out of 5 (560 Amazon ratings)	£19.63	£65.43	—
Winkle PLA HD Pastel Soft Lilac Filament | 3D Printer Filament | PLA Filament	PLA	0.3 kg	★★★★☆ 4.2 out of 5 (532 Amazon ratings)	£19.69	£65.63	—
Hapivida PLA Filament 3D Printer, Fast Color Gradient Change Multicolored 1.75	PLA	0.2 kg	—	£13.19	£65.95	6% below
Winkle PLA 1.75mm 3D Printing Filament - Nemo Orange, 300g Spool	PLA	0.3 kg	★★★★☆ 4.0 out of 5 (298 Amazon ratings)	£19.91	£66.37	—
Winkle ABS Filament 1.75mm Black 250g, 8435532914587	ABS	0.25 kg	★★★★☆ 4.2 out of 5 (50 Amazon ratings)	£17.14	£68.56	—
XYZprinting RFPLHXEU01D Refill for Cartridge PLA Tough, 600 g, White	PLA	0.6 kg	★★★☆☆ 3.2 out of 5 (10 Amazon ratings)	£41.99	£69.98	17% below
Polymaker Fiberon PA6-GF Glass Fiber Nylon Filament 1.75 Grey 500g, Enhanced H	Nylon	0.5 kg	★★★★½ 4.6 out of 5 (448 Amazon ratings)	£38.45	£76.90	8% below
Protopasta Static Dissipative Black PLA 3D Printer Filament for ESD Safe Print	PLA	0.5 kg	—	£40.14	£80.28	33% below
BuildTak PM70153 PolyMax Nano reinforced PLA Filament featuring Jamfree Techno	PLA	0.75 kg	★★★★☆ 4.1 out of 5 (12 Amazon ratings)	£70.99	£94.65	20% below
1.75mm 3D Printer PLA Filament Rainbow Gradient Color Printer Filament for 200	PLA	0.2 kg	—	£19.59	£97.95	—
3Dgenius Silk PLA 3D Printer Filament Double Color Silk PLA Filament 1.75mm 3D	PLA	0.25 kg	★★★★½ 4.4 out of 5 (104 Amazon ratings)	£24.76	£99.04	—
Dremel PLA-WHI-01 3D PLA White 0.75kg	PLA	0.75 kg	★★★★½ 4.5 out of 5 (178 Amazon ratings)	£84.74	£112.99	—
Fiberlogy Nylon PA12+CF15 Black, 1.75mm (±0.02), 0.50kg of high quality 15% ca	Nylon	0.5 kg	★★★★½ 4.4 out of 5 (29 Amazon ratings)	£58.36	£116.72	—
Dremel ECO-BLA-01 3D ECO-ABS Black 0.75kg	ABS	0.75 kg	★★★★½ 4.6 out of 5 (88 Amazon ratings)	£94.79	£126.39	7% below
Polymaker PolyCast 3D Printer Filament, Designed for Investment Casting, Metal	PVB	0.75 kg	★★★★½ 4.4 out of 5 (225 Amazon ratings)	£94.99	£126.65	8% below

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.