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Single-spool filament, ranked by £/kg — page 29

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.

2,983 listings tracked, 541 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
GIANTARM PLA Silk Filament 1.75 mm, 3D Printer Filament, PLA 1 kg Spool, Diame	PLA	1 kg	★★★★½ 4.6 out of 5 (36 Amazon ratings)	£25.18	£25.18	—
GIANTARM TPU Filament 1.75 mm for 3D Printer 1 kg Red	TPU	1 kg	★★★★½ 4.6 out of 5 (6 Amazon ratings)	£25.19	£25.19	7% below
iBOSS Silk PLA Filament 1.75 mm Two-Tone Black/Gold High Gloss Coextruded 3D P	PLA	1 kg	★★★★½ 4.5 out of 5 (18 Amazon ratings)	£25.15	£25.20	10% below
iBOSS Silk Gradient PLA Plus (PLA+) 3D Printer Filament 1.75mm, 1kg, Gradient	PLA+	1 kg	★★★★☆ 4.0 out of 5 (21 Amazon ratings)	£25.27	£25.27	7% below
TINMORRY PLA Filament 1.75 mm, Fast PLA 3D Printing Filament, Compatible with	PLA	1 kg	—	£25.29	£25.29	6% below
YUANEANG Silk Rainbow PLA 3D Printer Filament 1.75mm, 1kg Spool, High Gloss Si	PLA	1 kg	—	£25.29	£25.29	—
Polymaker PE01006 PolyLite Filament ABS geruchsarm 1.75mm 1000g yellow1 pc(s)	ABS	1 kg	★★★★½ 4.6 out of 5 (1,254 Amazon ratings)	£25.30	£25.30	—
Polymaker PE01009 PolyLite Filament ABS geruchsarm 1.75mm 1000g Orange 1 pc(s)	ABS	1 kg	★★★★½ 4.6 out of 5 (1,254 Amazon ratings)	£25.30	£25.30	—
Fuel Standard PLA 3D Printing Filament - Made in USA with Dimensional Accuracy	PLA	1 kg	★★★★½ 4.3 out of 5 (269 Amazon ratings)	£25.33	£25.33	48% below
Filament TPU (Thermoplastic Polyurethane) 1.75 mm, TINMORRY 3D Printing Materi	TPU	1 kg	★★★½☆ 3.6 out of 5 (10 Amazon ratings)	£25.33	£25.33	16% below
TINMORRY PLA Filament 1.75 mm for 3D Printers, 1 kg, Light Blue	PLA	1 kg	—	£25.37	£25.37	—
iBOSS Tri-color PLA+ Silk Filament 1.75mm 3D Printer Filament PLA Plus+/-0.02m	PLA+	1 kg	★★★★½ 4.3 out of 5 (10 Amazon ratings)	£25.39	£25.39	8% below
Winkle Petg Filament 1.75mm Jet Black 3D Printing Filament 1000kg Spool	PETG	1 kg	★★★★☆ 4.1 out of 5 (59 Amazon ratings)	£25.41	£25.41	—
PLA Plus (PLA+) Shiny Silk 3D Printer Filament 1.75 mm, Silk PLA+ Filament 1.7	PLA+	1 kg	★★★★☆ 4.1 out of 5 (12 Amazon ratings)	£25.41	£25.41	—
Winkle PLA Filament | PLA 1.75 mm | 3D Printer Filament | Fluorescent Pink | 1	PLA	1 kg	★★★★☆ 4.2 out of 5 (552 Amazon ratings)	£25.42	£25.42	7% below
GIANTARM HS-PLA Filament 1.75 mm, PLA Filament for high-Speed 3D Printing,Fast	PLA	1 kg	★★★★☆ 4.1 out of 5 (137 Amazon ratings)	£25.45	£25.45	—
iBOSS PLA+ Filament 1.75 mm Sea Blue 1 kg, PLA Plus 3D Printer Filament	PLA+	1 kg	★★★★½ 4.4 out of 5 (779 Amazon ratings)	£25.45	£25.45	—
Bambu Lab PLA Matte 3D Printer Filament 1.75mm RFID 1kg with Spool, Marine Blu	PLA	1 kg	★★★★½ 4.7 out of 5 (566 Amazon ratings)	£25.46	£25.46	26% below
Filament TPU (Thermoplastic Polyurethane) 1.75 mm, TINMORRY 3D Printing Materi	TPU	1 kg	★★★★★ 4.9 out of 5 (21 Amazon ratings)	£25.47	£25.47	15% below
iBOSS PLA+ Filament 1.75 mm Purple 1 kg, PLA Plus 3D Printer Filament	PLA+	1 kg	★★★★½ 4.4 out of 5 (779 Amazon ratings)	£25.49	£25.49	—
IEMAI PETG Filament 1.75 mm, 3D Printer Filament PETG, Flash Point Transparent	PETG	1 kg	★★★★½ 4.3 out of 5 (25 Amazon ratings)	£25.50	£25.50	—
TINMORRY PLA Filament 1.75 mm for 3D Printers, 1 kg, Matte Pomelo Orange	PLA	1 kg	★★★★½ 4.6 out of 5 (3 Amazon ratings)	£25.50	£25.50	7% below
Creality PETG Filament Refill Filament for 3D Printers, 1 kg 1.75 mm (2.2 lb)	PETG	1 kg	★★★★☆ 4.1 out of 5 (193 Amazon ratings)	£25.51	£25.51	—
AMOLEN Wood Bamboo 3D Printer Filament, PLA Filament 1.75mm 20% Real Bamboo Fi	PLA	1 kg	★★★★☆ 4.0 out of 5 (108 Amazon ratings)	£25.52	£25.52	—
Polymaker PE01007 PolyLite Filament ABS geruchsarm 1.75mm 1000g Blue 1 pc(s)	ABS	1 kg	★★★★½ 4.6 out of 5 (1,254 Amazon ratings)	£25.52	£25.52	—
TINMORRY PLA Filament 1.75 mm for 3D Printers, 1 kg, Matt Brown	PLA	1 kg	★★★★½ 4.6 out of 5 (129 Amazon ratings)	£25.53	£25.53	6% below
Filament TPU (Thermoplastic Polyurethane) 1.75 mm, TINMORRY 3D Printing Materi	TPU	1 kg	★★★★½ 4.7 out of 5 (16 Amazon ratings)	£25.54	£25.54	5% below
Filament TPU 1.75 mm, TINMORRY TPU Filament 3D Printing Materials for 3D Print	TPU	1 kg	★★★★½ 4.4 out of 5 (31 Amazon ratings)	£25.55	£25.55	16% below
iBOSS Silk Rose Red PLA+ Filament 1.7mm, 3D Filament with Metallic Sheen, PLA	PLA+	1 kg	★★★★½ 4.3 out of 5 (11 Amazon ratings)	£25.55	£25.55	6% below
GIANTARM HS-PLA Filament 1.75 mm, PLA Filament for high-Speed 3D Printing, Fas	PLA	1 kg	★★★★☆ 4.1 out of 5 (137 Amazon ratings)	£25.56	£25.56	8% below
SainSmart Grow in The Dark Blue PETG Filament, 1.75mm PRO-3 PETG 3D Printer Fi	PETG	1 kg	★★★★☆ 4.1 out of 5 (78 Amazon ratings)	£25.57	£25.57	9% below
Xiuganpo Flexible TPU Filament 1.75mm, 1kg Spool with High Dimensional Accurac	TPU	1 kg	—	£25.59	£25.59	—
iBOSS Silk PLA Filament 1.75 mm Two-Tone Violet-Turquoise, High Gloss Coextrud	PLA	1 kg	★★★★½ 4.5 out of 5 (18 Amazon ratings)	£25.57	£25.62	—
iBOSS Silk PLA Filament 1.75 mm Two-Tone Red Gold High Gloss Coextruded 3D Pri	PLA	1 kg	★★★★½ 4.5 out of 5 (18 Amazon ratings)	£25.59	£25.64	—
Zi-Rui 3D Printer PETG Filament, Sparkly Glitter Purple, Shining Glow in The D	PETG	1 kg	★★★★☆ 4.2 out of 5 (968 Amazon ratings)	£25.65	£25.65	—
TINMORRY PLA Filament 1.75 mm for 3D Printers, 1 kg, Matte Light Blue	PLA	1 kg	★★★★½ 4.6 out of 5 (132 Amazon ratings)	£25.65	£25.65	8% below
PLA Plus (PLA+) Shiny Silk 3D Printer Filament 1.75 mm, Silk PLA+ Filament 1.7	PLA+	1 kg	★★★★½ 4.4 out of 5 (183 Amazon ratings)	£25.68	£25.68	—
Polymaker Glitter ABS Filament 1.75mm, Galaxy Orange ABS 3D Printer Filament 1	ABS	1 kg	★★★★½ 4.5 out of 5 (430 Amazon ratings)	£25.68	£25.68	—
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)	£25.71	£25.71	Like New · 2% under new
Chitu Systems Conjure Silk PLA 3D Printer Filament, 1.75mm Dual Color Filament	PLA	1 kg	★★★★½ 4.5 out of 5 (57 Amazon ratings)	£25.72	£25.72	—
Creality Soleyin Ultra PLA 3D Printer Filament 1.75 White, Speed 300 mm/s, Acc	PLA	1 kg	★★★★½ 4.4 out of 5 (132 Amazon ratings)	£25.73	£25.73	—
ELEGOO Rapid PETG Filament 1.75mm, 4kg, High Speed 30-600mm/s, Accuracy +/- 0.	PETG	4 kg	★★★★½ 4.4 out of 5 (4,663 Amazon ratings)	£102.97	£25.74	39% below
TINMORRY PLA Filament 1.75 mm for 3D Printers, 1 kg, Matte Skin	PLA	1 kg	★★★★½ 4.6 out of 5 (139 Amazon ratings)	£25.74	£25.74	6% below
VEOEOV Matte PLA 3D Printer Filament 1.75 mm Green 1 kg	PLA	1 kg	★★★★½ 4.3 out of 5 (14 Amazon ratings)	£25.75	£25.75	5% below
iBOSS PLA Plus (PLA+) Shiny Silk 3D Printer Filament, 1.75 mm, 1 kg (2.2 lbs),	PLA+	1 kg	★★★★½ 4.3 out of 5 (26 Amazon ratings)	£25.77	£25.77	9% below
iBOSS Silk PLA Filament 1.75 mm Two-Tone Black/Green High Gloss Coextruded 3D	PLA	1 kg	★★★★½ 4.5 out of 5 (18 Amazon ratings)	£25.72	£25.77	—
CCTREE Glow in the Dark PETG Filament 1.75mm,1kg Spool(2.2lbs), Glow Green	PETG	1 kg	★★★★☆ 4.1 out of 5 (23 Amazon ratings)	£25.81	£25.81	—
Winkle PLA Filament | PLA 2.85 mm | Printing Filament | 3D Printer | 3D Filame	PLA	1 kg	★★★★☆ 4.1 out of 5 (145 Amazon ratings)	£25.83	£25.83	—
Filament TPU 1.75 mm, TINMORRY TPU Filament 3D Printing Materials for 3D Print	TPU	1 kg	★★★★½ 4.3 out of 5 (54 Amazon ratings)	£25.84	£25.84	13% below
eSUN PLA PRO (PLA+) 3D Printer Filament, Dimensional Accuracy +/- 0.03mm, 1kg	PLA+	1 kg	★★★★½ 4.4 out of 5 (2,262 Amazon ratings)	£25.91	£25.91	—
TINMORRY TPU 95A Filament 1.75 mm for 3D Printers, 1 kg, Transparent Green	TPU	1 kg	★★★★★ 4.8 out of 5 (12 Amazon ratings)	£25.91	£25.91	13% below
Creality PETG Filament Refill Filament for 3D Printers, 1 kg 1.75 mm (2.2 lb)	PETG	1 kg	★★★★☆ 4.1 out of 5 (193 Amazon ratings)	£25.92	£25.92	—
iBOSS PLA Filament 1.75 mm, Silk Gloss Green, Accuracy +/- 0.02 mm, PLA 3D Pri	PLA	1 kg	★★★★☆ 4.2 out of 5 (9 Amazon ratings)	£25.93	£25.93	6% below
kexcelled Silk PLA Filament 1.75 mm +/- 0.03 mm, 3D Printer Filament, Shiny Gl	PLA	1 kg	★★★★½ 4.6 out of 5 (1,002 Amazon ratings)	£25.97	£25.97	—
ERYONE TPU Filament 1.75mm, 3D Drucker Filament TPU 0.5kg 1 Spool, -0.05mm, 95	TPU	0.5 kg	★★★★½ 4.5 out of 5 (2,364 Amazon ratings)	£12.99	£25.98	—
Creality Colorful Soleyin Ultra PLA 3D Printer Filament 1.75mm, 300mm/s High S	PLA	1 kg	★★★★½ 4.4 out of 5 (132 Amazon ratings)	£25.98	£25.98	—
QIDI Filament 3D Printing Materials, ABS Rapido Filament， Ø1.75mm, Suitable fo	ABS	1 kg	★★★★½ 4.6 out of 5 (59 Amazon ratings)	£25.99	£25.99	—
YXPOLYER 3D Printer Filament Nylon Filament PA6 2.2 lbs 1kg White Nylon with H	Nylon	1 kg	★★★★½ 4.4 out of 5 (211 Amazon ratings)	£25.99	£25.99	7% below
Inslogic Pre-Dried ABS-GF Filament 1.75mm, Natural White, 1KG	ABS	1 kg	★★★★★ 5.0 out of 5 (4 Amazon ratings)	£25.99	£25.99	—
YXPOLYER Nylon 3D Printer Filament Blue PA6 1kg Nylon with Heat-Resistant AMS-	Nylon	1 kg	★★★★½ 4.4 out of 5 (210 Amazon ratings)	£25.99	£25.99	7% 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.