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Single-spool filament, 1 kg, ranked by £/kg — on offer now, page 8

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.

620 currently discounted.

Product	Material	Weight	Rating	Price	Per kg	Deal
Winkle Petg Filament 2.85mm Clear 3D Printing Filament 1000kg Spool	PETG	1 kg	★★★★½ 4.5 out of 5 (37 Amazon ratings)	£26.56	£26.56	—
GIANTARM PETG Filament 1.75 mm Grey for 3D Printers 1 kg Spool	PETG	1 kg	★★★★½ 4.4 out of 5 (42 Amazon ratings)	£26.58	£26.58	—
HATCHBOX PLA MAX V2 Black 3D Printer Filament Made in The USA, 1.75mm Diameter	PLA	1 kg	★★★★½ 4.4 out of 5 (190 Amazon ratings)	£26.67	£26.67	44% below
Stronghero3D PLA 3D Printer Filament,Glow in The Dark Filament, Glow Green/Blu	PLA	1 kg	★★★★☆ 4.2 out of 5 (3,557 Amazon ratings)	£26.68	£26.73	—
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)	£26.80	£26.80	20% below
IEMAI PETG Filament 1.75mm 1Kg, Transparent Amber PETG 3D Printer Filament, Id	PETG	1 kg	★★★★½ 4.5 out of 5 (597 Amazon ratings)	£26.82	£26.82	—
GIANTARM White TPU Filament 1.75 mm for 3D Printers 1 kg	TPU	1 kg	★★★★☆ 3.9 out of 5 (17 Amazon ratings)	£26.87	£26.87	—
TINMORRY PLA Filament 1.8mm, 3D Printer Filament 1kg, Matte Pink	PLA	1 kg	★★★★½ 4.6 out of 5 (137 Amazon ratings)	£26.87	£26.87	—
TINMORRY Rapid PETG-Eco 3D Printing Filament, 1.75 mm, Compatible with Bambu L	PETG	1 kg	★★★★★ 4.8 out of 5 (33 Amazon ratings)	£26.93	£26.93	—
Bambu Lab PLA Matte 3D Printer Filament 1.75mm RFID 1kg with Spool, Ivory Whit	PLA	1 kg	★★★★½ 4.7 out of 5 (567 Amazon ratings)	£26.98	£26.98	21% below
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)	£26.98	£27.03	—
kexcelled Glass Fiber PETG GF Filament 1.75mm +/- 0.03mm, 1kg, Black	PETG-CF	1 kg	★★★★☆ 4.2 out of 5 (302 Amazon ratings)	£27.12	£27.12	—
Polymaker PolyLite PETG - 1.75mm - 1kg - Magenta	PETG	1 kg	★★★★½ 4.3 out of 5 (14 Amazon ratings)	£27.15	£27.15	—
Sparkling PETG Filament 1.75 mm, TINMORRY Filament PETG 3D Printing Materials,	PETG	1 kg	★★★★½ 4.5 out of 5 (53 Amazon ratings)	£27.22	£27.22	6% below
Polymaker HT-PLA Filament 1.75mm Grey, High Temp PLA for 3D Printing, Heat Sta	PLA	1 kg	★★★★½ 4.4 out of 5 (50 Amazon ratings)	£27.35	£27.35	Warehouse · 8% under new
iBOSS PLA+ Filament 1.75 mm, Silk Pink, Smooth Filament 3D Printing Material,	PLA+	1 kg	—	£27.48	£27.48	—
kexcelled High Speed ABS Filament 1.75mm +/- 0.03mm, 500mm/s Stable Printing,	ABS	1 kg	★★★★½ 4.5 out of 5 (29 Amazon ratings)	£27.57	£27.57	—
Winkle PLA HD Pastel Soft Lilac Filament | 3D Printer Filament | PLA Filament	PLA	1 kg	★★★★☆ 4.2 out of 5 (552 Amazon ratings)	£27.97	£27.97	—
Winkle PLA Filament, 1.75mm, 1kg, Desert Sand Color, 3D Printer Filament	PLA	1 kg	★★★★☆ 4.2 out of 5 (78 Amazon ratings)	£28.15	£28.15	—
iBOSS PLA Filament 1.75 mm, Black PLA Basic 3D Printer Matte Filament, Dimensi	PLA	1 kg	★★★★½ 4.4 out of 5 (183 Amazon ratings)	£28.15	£28.15	—
Winkle ASA Filament 1.75 mm | 3D Printer Filament | ASA 3D | 3D Printing | Nat	ASA	1 kg	★★★½☆ 3.7 out of 5 (61 Amazon ratings)	£28.27	£28.27	—
IEMAI PETG Filament 1.75mm 1Kg, Transparent Light Pink PETG 3D Printer Filamen	PETG	1 kg	★★★★½ 4.5 out of 5 (592 Amazon ratings)	£28.33	£28.33	—
Cookiecad Coral PLA 3D Printer Filament 1.75mm 1kg	PLA	1 kg	★★★★½ 4.6 out of 5 (1,008 Amazon ratings)	£28.50	£28.50	42% below
Polymaker Panchroma Gradient Matte PLA Filament, 1.75mm, 1kg (2.2lbs), Matte S	PLA	1 kg	★★★★½ 4.6 out of 5 (153 Amazon ratings)	£28.52	£28.52	33% below
Winkle PETG Ash Grey Filament | 3D Printer Filament | PETG Filament 2.85mm 1kg	PETG	1 kg	★★★★½ 4.5 out of 5 (37 Amazon ratings)	£28.79	£28.79	—
Panchroma PLA Jungle Green 3D Printer Filament, 1.75mm, 1kg Spool, Easy to Pri	PLA	1 kg	★★★★½ 4.6 out of 5 (293 Amazon ratings)	£28.91	£28.91	25% below
Cookiecad ABS Filament 1.75mm 1kg Iridescent 3D Printer Filament - Green Apple	ABS	1 kg	★★★★★ 5.0 out of 5 (1 Amazon ratings)	£29.24	£29.24	45% below
Polymaker PETG Teal 3D Printer Filament 1.75mm 1KG, High Flow & High Strength,	PETG	1 kg	★★★★½ 4.6 out of 5 (44 Amazon ratings)	£29.25	£29.25	27% below
Polymaker PETG Silver 3D Printer Filament 1.75mm 1KG, High Flow & High Strengt	PETG	1 kg	★★★½☆ 3.7 out of 5 (19 Amazon ratings)	£29.25	£29.25	24% below
Polymaker PETG Red 3D Printer Filament 1.75mm 1KG, High Flow & High Strength,	PETG	1 kg	★★★½☆ 3.6 out of 5 (9 Amazon ratings)	£29.26	£29.26	27% below
Polymaker PETG Dark Green 3D Printer Filament 1.75mm 1KG, High Flow & High Str	PETG	1 kg	★★★★★ 4.9 out of 5 (16 Amazon ratings)	£29.26	£29.26	27% below
TINMORRY PETG Chameleon Blue/Purple 1.75 mm 3D Printer Filament, 1 kg, High-Sp	PETG	1 kg	★★★★½ 4.5 out of 5 (54 Amazon ratings)	£29.27	£29.27	8% below
Polymaker PETG Blue 3D Printer Filament 1.75mm 1KG, High Flow & High Strength,	PETG	1 kg	★★★★★ 5.0 out of 5 (12 Amazon ratings)	£29.27	£29.27	25% below
Cookiecad PLA Filament 1.75mm 1kg Iridescent Rainbow 3D Printer Filament - Pur	PLA	1 kg	★★★★½ 4.6 out of 5 (1,009 Amazon ratings)	£29.28	£29.28	46% below
Polymaker PETG Yellow 3D Printer Filament 1.75mm 1KG, High Flow & High Strengt	PETG	1 kg	★★★★½ 4.4 out of 5 (10 Amazon ratings)	£29.28	£29.28	26% below
3D-Fuel Tough Pro PCTG Filament for 3D Printing, Better Than PETG, Made in USA	PCTG	1 kg	★★★★½ 4.3 out of 5 (387 Amazon ratings)	£29.29	£29.29	22% below
Cookiecad Sunrise Mixer Dual-PLA 3D Printer Filament 1.75mm 1kg	PLA	1 kg	★★★★½ 4.6 out of 5 (1,009 Amazon ratings)	£29.32	£29.32	45% below
Winkle PLA Filament | PLA 1.75 mm | 3D Printer Filament | Fluorescent Yellow |	PLA	1 kg	★★★★☆ 3.9 out of 5 (15 Amazon ratings)	£29.33	£29.33	—
iBOSS PLA+ Filament 1.75 mm White 1 kg, PLA Plus 3D Printer Filament	PLA+	1 kg	★★★★½ 4.4 out of 5 (779 Amazon ratings)	£29.37	£29.37	—
Cookiecad Pixie Dust ABS, Shiny, Pink Iridescent Holographic ABS, 3D Printer F	ABS	1 kg	★★★★½ 4.6 out of 5 (1,009 Amazon ratings)	£29.53	£29.53	45% below
Winkle PETG Filament 1.75 mm Fir Green, 1 kg Spool, 3D Printer Filament Compat	PETG	1 kg	★★★☆☆ 3.1 out of 5 (13 Amazon ratings)	£29.55	£29.55	—
Polymaker PETG Orange 3D Printer Filament 1.75mm 1KG, High Flow & High Strengt	PETG	1 kg	★★★★☆ 4.2 out of 5 (15 Amazon ratings)	£29.55	£29.55	26% 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)	£29.57	£29.57	39% 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)	£29.57	£29.57	44% below
Polymaker PolyLite ASA Grey - 1.75mm - 1kg	ASA	1 kg	★★★★½ 4.4 out of 5 (114 Amazon ratings)	£29.64	£29.64	35% below
Creality PLA Filament, Hyper PLA RFID 3D Printer Filament - High Speed 30-600	PLA	1 kg	★★★★½ 4.7 out of 5 (223 Amazon ratings)	£29.67	£29.67	—
CHCKX Matte Rainbow PLA 3D Printer Filament, 1KG Spool(2.2lbs) 1.75mm PLA Grad	PLA	1 kg	—	£29.73	£29.73	—
Polymaker PE01008 PolyLite Filament ABS geruchsarm 1.75mm 1000g Purple 1 pc(s)	ABS	1 kg	★★★★½ 4.6 out of 5 (1,255 Amazon ratings)	£29.80	£29.80	25% below
Cookiecad PLA Filament 1.75mm 1kg Iridescent Rainbow 3D Printer Filament - Pin	PLA	1 kg	★★★★½ 4.6 out of 5 (1,008 Amazon ratings)	£29.85	£29.85	44% below
Cookiecad PLA Filament 1.75mm 1kg Dual Color Multicolor 3D Printer Filament -	PLA	1 kg	★★★★½ 4.6 out of 5 (1,008 Amazon ratings)	£29.85	£29.85	45% below
Cookiecad Silk PLA Filament 1.75mm 1kg Dual Color Rainbow 3D Printer Filament	PLA	1 kg	★★★★½ 4.5 out of 5 (14 Amazon ratings)	£29.85	£29.85	45% below
3D-Fuel Tough Pro PCTG Filament, Better Than PETG Filament, Made in The USA, D	PCTG	1 kg	★★★★½ 4.3 out of 5 (389 Amazon ratings)	£29.87	£29.87	39% below
Cookiecad Silk PLA Filament 1.75mm 1kg Rainbow Multicolor 3D Printer Filament	PLA	1 kg	★★★★½ 4.5 out of 5 (14 Amazon ratings)	£29.88	£29.88	45% below
Cookiecad Witches Blue ABS, Shiny, Pink Iridescent Holographic Purple Blue ABS	ABS	1 kg	★★★★½ 4.6 out of 5 (1,009 Amazon ratings)	£29.89	£29.89	44% below
3D-Fuel Tough Pro PCTG Filament for 3D Printing, Better Than PETG Filament, Ma	PCTG	1 kg	★★★★½ 4.3 out of 5 (382 Amazon ratings)	£29.89	£29.89	27% below
iSANMATE 3D Printer Filament, Dual Color Filament Shiny Silk PLA Filament 1.75	PLA	1 kg	—	£30.11	£30.11	5% below
Stronghero3D PLA 3D Printer Filament 1.75mm,Candy S3 Silk Rainbow,Multi Color,	PLA	1 kg	★★★★½ 4.4 out of 5 (71 Amazon ratings)	£30.14	£30.14	31% below
3D FREUNDE Premium PLA Filament 1.75mm, 1kg | EU-Made | Optimized for 3D Print	PLA	1 kg	★★★★☆ 4.0 out of 5 (184 Amazon ratings)	£30.24	£30.24	—
Polymaker Panchroma Black Filament 1.75mm 1kg, Prints Better Than PLA - Panchr	PLA	1 kg	★★★★☆ 4.0 out of 5 (169 Amazon ratings)	£30.36	£30.36	—
Cookiecad PLA Filament 1.75mm 1kg Dual Color Multicolor 3D Printer Filament -	PLA	1 kg	★★★★½ 4.6 out of 5 (999 Amazon ratings)	£30.36	£30.36	26% 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.