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Rainbow & gradient filament, ranked by £/kg — page 5

Filament whose colour changes gradually along the spool, so a tall print fades from one colour to the next. Ranked by cost per kilogram.

Silk, dual colour and gradient filament explained →

Best £/kg Biggest discount Lowest price Best rated Newest

All (502) On offer now (223)

By material:PLA (369)PETG (59)PLA+ (54)TPU (11)ABS (3)Nylon (1)

By finish:All finishes Silk (1,077)Matte (836)Dual & triple colour (602)Rainbow & gradient (502)Translucent (418)Glow in the dark (117)Sparkle & glitter (157)Marble (76)Wood (52)Colour-changing (6)Refills (no spool) (419)

By pack:Single spools (391)Bulk & multi-pack (32)

By weight:Under 1 kg (54)1 kg (414)2 kg (12)4 kg (12)5 kg (1)10 kg and over (9)

By colour:White (1)Red (8)Orange (1)Yellow (1)Green (5)Blue (4)Purple (2)Pink (6)Brown (1)Beige & natural (4)Transparent (24)

Condition:New (480)Amazon Warehouse, any grade (4)Warehouse: Very Good (2)Warehouse: Acceptable (1)

Rating:4.5 stars & up (186)4 stars & up (377)3.5 stars & up (401)

502 listings tracked, 223 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
YUANEANG Silk Rainbow PLA 3D Printer Filament 1.75mm, 1kg Spool, High Gloss Si	PLA	1 kg	—	£25.29	£25.29	—
RAMBERY 3D Printer Filament 1.75mm Silk Rainbow PLA Filament Fast Color Change	PLA	1 kg	4.5 out of 5 (315 Amazon ratings)	£25.44	£25.44	41% below
YUANEANG PLA Filament 1.75mm, ±0.03mm Precision, Triple-Color Gradient PLA, 1k	PLA	16 kg	4.4 out of 5 (85 Amazon ratings)	£407.07	£25.44	—
ERYONE TPU Filament 1.75mm, 3D Printer Filament,Flexible 95A TPU, +/-0.03mm, 0	TPU	0.5 kg	4.5 out of 5 (2,369 Amazon ratings)	£12.74	£25.48	15% below
iBOSS Silk Gradient PLA Plus (PLA+) 3D Printer Filament 1.75 +/-0.02 mm, 1 kg	PLA+	1 kg	4.1 out of 5 (23 Amazon ratings)	£25.65	£25.65	—
Polymaker Panchroma Gradient Galaxy PLA Black-Grey 3D Printing Filament, 1.75m	PLA	1 kg	4.7 out of 5 (254 Amazon ratings)	£25.92	£25.92	46% below
YUANEANG Matte Rainbow 3D Printer Filament Bundle,16 Rolls,Dimensional Accurac	PLA	16 kg	—	£414.68	£25.92	—
AMOLEN 95A TPU 3D Printer Filament, 1.75mm Transparent Multicolor Rainbow Purp	TPU	1 kg	4.2 out of 5 (19 Amazon ratings)	£26.00	£26.00	45% below
AMOLEN 3D Printer Filament, Triple Colors Coextrusion Silk PLA Filament 1.75mm	PLA	1 kg	4.4 out of 5 (95 Amazon ratings)	£26.08	£26.08	47% below
Polymaker Panchroma Gradient Galaxy PLA Black-Blue 3D Printing Filament, 1.75m	PLA	1 kg	4.7 out of 5 (254 Amazon ratings)	£26.08	£26.08	46% below
iBOSS PLA+ Filament 1.75 mm Multicoloured Rainbow Gradient Filament, 1 kg (2.2	PLA+	1 kg	—	£26.10	£26.10	—
iBOSS Gradient PLA Plus 3D Printer Filament 1.75 mm +/-0.02 mm, 1 kg Spool (2.	PLA+	1 kg	4.0 out of 5 (21 Amazon ratings)	£26.13	£26.13	—
Polymaker Dual Color Matte PLA Filament 1.75mm Gradient Wood, Coextrusion 1.75	PLA	1 kg	4.6 out of 5 (188 Amazon ratings)	£26.16	£26.16	—
Stronghero3D ABS 3D Printer Filament 1.75mm,Multicolors,Rainbow,1kg(2.2lbs) Ac	ABS	1 kg	4.0 out of 5 (89 Amazon ratings)	£26.28	£26.28	39% below
Stronghero3D PETG 3D Printer Filament, 1.75 mm, Core Shell Co-Extruded, Red Gr	PETG	1 kg	4.4 out of 5 (2,543 Amazon ratings)	£26.39	£26.39	—
TECSONAR Crystal Rainbow PLA 3D Printer Filament Bundle, 4 Rolls,1KG Spool(2.2	PLA	4 kg	4.1 out of 5 (4 Amazon ratings)	£105.98	£26.50	—
iBOSS Rainbow Gradient PLA+ 1.75mm 3D Printer Filament, 1kg (2.2lbs), Silk Rai	PLA+	1 kg	4.2 out of 5 (42 Amazon ratings)	£26.80	£26.80	—
Polymaker Polyterra PLA Gradient - 1.75mm - 1kg - Spring (Pink-Peach)	PLA	1 kg	4.5 out of 5 (63 Amazon ratings)	£27.01	£27.01	—
LOVOON 3D Pla Filament Bundle Dark Myth Series,Dark Gradient Filament 1.75mm,C	PLA	0.8 kg	4.2 out of 5 (35 Amazon ratings)	£21.65	£27.06	52% below
iBOSS Gradient PLA Plus 3D Printer Filament 1.75 mm +/-0.02 mm, 1 kg Spool (2.	PLA+	1 kg	—	£27.22	£27.22	—
iBOSS Macaron Rainbow PLA+ Silk 3D Printer Filament, 1.75 mm, 1 kg (1000g), 32	PLA+	1 kg	4.6 out of 5 (31 Amazon ratings)	£27.23	£27.23	—
AMOLEN Silk PLA 3D Printer Filament Bundle, Multicolor Rainbow PLA 1.75mm, Shi	PLA	0.8 kg	4.5 out of 5 (150 Amazon ratings)	£22.00	£27.50	—
AMOLEN Silk 3D Printer Filament PLA Bundle, Shiny Multicolor Rainbow Filament	PLA	0.8 kg	4.2 out of 5 (16 Amazon ratings)	£22.00	£27.50	54% below
AMOLEN Matte PLA Filament 1.75mm,Bicolor Rainbow Bundle PLA, Smooth Finish Col	PLA	0.8 kg	3.0 out of 5 (10 Amazon ratings)	£22.00	£27.50	54% below
FilaBees 3D Printer Filament Silk PLA Filament 1.75mm, Multicolor Rainbow PLA	PLA	1 kg	4.1 out of 5 (35 Amazon ratings)	£27.61	£27.61	—
Cookiecad TPU Filament 1.75mm 1kg Rainbow Multicolor 3D Printer Filament - Uni	TPU	1 kg	4.4 out of 5 (34 Amazon ratings)	£27.69	£27.69	48% below
iBOSS PETG Filament 1.75 mm Rainbow, Colour Gradient 3D Printer Filament, 1 kg	PETG	1 kg	—	£27.71	£27.71	—
WISDREAM PLA Forest/Jungle/Military Rainbow Gradient Multicolor Rainbow PLA Fi	PLA	1 kg	4.5 out of 5 (204 Amazon ratings)	£27.78	£27.78	32% below
iSANMATE PLA Rainbow (PLA+), Matte Rainbow PLA Filament 1.75mm, Colour Change	PLA+	1 kg	4.4 out of 5 (533 Amazon ratings)	£27.79	£27.79	—
RAMBERY 3D Printer PLA Filament Matte Rainbow PLA Filament for Most FDM 3D Pri	PLA	1 kg	4.1 out of 5 (4 Amazon ratings)	£27.90	£27.90	36% below
iBOSS PLA+ Filament Gradient Purple and Blue, Shiny Silk Filament 3D Printing	PLA+	1 kg	—	£27.95	£27.95	—
Polymaker Polyterra PLA Gradient - 1.75mm - 1kg - Winter (Ice-Purple)	PLA	1 kg	4.8 out of 5 (25 Amazon ratings)	£27.99	£27.99	—
Bright Silk 1.75mm PLA Filament with Gradient Color, Good Formability and Toug	PLA	1 kg	—	£28.09	£28.09	—
PETG Filament 1.75 mm 1 kg, 3D Printer Filament High Tenacity & Impact Resista	PETG	1 kg	4.5 out of 5 (2 Amazon ratings)	£28.19	£28.19	—
iBOSS Silk Gradient PLA+ 3D Printer Filament 1.75+/- 0.03mm, 1kg (2.2lbs) Spoo	PLA+	1 kg	—	£28.38	£28.38	—
IEMAI Translucent PETG Filament 1.75mm 10kg Bundle, Dual Color Gradient 3D Pri	PETG	10 kg	—	£283.96	£28.40	—
iBOSS Candy Rainbow Silk PLA+ Filament 1.8mm, High Speed Printing, 8M Gradient	PLA+	1 kg	4.3 out of 5 (4 Amazon ratings)	£28.48	£28.48	—
Kingroon 4KG Silk PLA Filament Bundle Rainbow PLA Filament 1.75MM 3D Printing	PLA	4 kg	4.5 out of 5 (6 Amazon ratings)	£113.94	£28.49	—
iBOSS Gradient PLA Plus 3D Printer Filament 1.75 +/- 0.02 mm, 1 kg Spool (2.2	PLA+	1 kg	4.0 out of 5 (21 Amazon ratings)	£28.63	£28.63	—
iBOSS Transition PLA+ Filament 1.75 mm, Shiny Silk 3D Printer Filament, Dimens	PLA+	1 kg	—	£28.63	£28.63	—
FLASHFORGE 3D Printer Filament Chameleon PLA Colour Changing Filament 1.75 mm,	PLA	1 kg	4.7 out of 5 (613 Amazon ratings)	£28.78	£28.78	16% below
IEMAI PETG Filament Bundle, Glitter Sparkle Shiny Transparent 3D Printer Filam	PETG	1 kg	4.4 out of 5 (35 Amazon ratings)	£28.80	£28.80	—
CHCKX Matte Rainbow PLA 3D Printer Filament, 1KG Spool(2.2lbs) 1.75mm PLA Grad	PLA	1 kg	4.3 out of 5 (10 Amazon ratings)	£28.87	£28.87	6% below
Cookiecad Silk PLA Filament 1.75mm 1kg Rainbow Multicolor 3D Printer Filament	PLA	1 kg	4.5 out of 5 (14 Amazon ratings)	£28.96	£28.96	46% below
CHCKX Matte Rainbow PLA 3D Printer Filament, 1KG Spool(2.2lbs) 1.75mm PLA Grad	PLA	1 kg	4.0 out of 5 (2 Amazon ratings)	£29.03	£29.03	—
Cookiecad Silk PLA Filament 1.75mm 1kg Dual Color Rainbow 3D Printer Filament	PLA	1 kg	4.5 out of 5 (14 Amazon ratings)	£29.13	£29.13	46% below
CHCKX PETG Rainbow 3D Printer Filament, Dimensional Accuracy +/- 0.03 mm, 1 kg	PETG	1 kg	—	£29.16	£29.16	—
CHCKX Crystal Rainbow PLA 3D Printer Filament, Dimensional Accuracy +/- 0.02 m	PLA	1 kg	3.8 out of 5 (21 Amazon ratings)	£29.16	£29.16	—
Cookiecad PLA Filament 1.75mm 1kg Iridescent Rainbow 3D Printer Filament - Pur	PLA	1 kg	4.6 out of 5 (1,009 Amazon ratings)	£29.21	£29.21	46% below
Creality 3D Printer Filament 1.75mm, Rainbow PLA+ Plus Pro Filament Toughness	PLA+	4 kg	5.0 out of 5 (2 Amazon ratings)	£117.11	£29.28	—
Stronghero3D PLA 3D Printer Filament 1.75 mm,Winter Blue,Multicolor Rainbow,Tr	PLA	1 kg	4.2 out of 5 (3,578 Amazon ratings)	£29.44	£29.44	28% below
iBOSS Matte PLA+ Filament 1.75 mm, Two-Tone Gradient 1 kg Spool (2.2 lbs) 3D P	PLA+	1 kg	4.2 out of 5 (7 Amazon ratings)	£29.63	£29.63	—
Cookiecad PLA Filament 1.75mm 1kg Iridescent Rainbow 3D Printer Filament - Pin	PLA	1 kg	4.6 out of 5 (1,009 Amazon ratings)	£29.65	£29.65	42% below
iBOSS Transparent Glitter PLA+ Filament 1.75mm, Clear Gradient Rainbow 3D Prin	PLA+	1 kg	2.8 out of 5 (5 Amazon ratings)	£29.73	£29.73	—
iBOSS Matte PLA + Filament 1.75 mm + 0.02 mm, 3D Printer Wire 1 kg (2.2 lbs) R	PLA+	1 kg	—	£29.75	£29.75	5% below
iBOSS Gradient PLA+ 3D Printer Filament 1.75+/- 0.03mm, 1kg (2.2lb) Spool Two-	PLA+	1 kg	—	£29.79	£29.79	—
Cookiecad Silk PLA Filament 1.75mm 1kg Rainbow Multicolor 3D Printer Filament	PLA	1 kg	4.5 out of 5 (14 Amazon ratings)	£29.80	£29.80	44% below
iBOSS Matte Gradient Two-Tone PLA+Filament 1.75mm, Dimensional Accuracy +/- 0.	PLA+	1 kg	—	£29.87	£29.87	—
AMOLEN 3D Printer Filament Bundle, Glow in Dark Green/Blue/Blue Purple/Rainbow	PLA	0.8 kg	3.2 out of 5 (73 Amazon ratings)	£23.92	£29.90	—
Stronghero3D PLA 3D Printer Filament 1.75mm,Candy S3 Silk Rainbow,Multi Color,	PLA	1 kg	4.4 out of 5 (71 Amazon ratings)	£29.91	£29.91	32% below

Rainbow & gradient filament by brand

All brands AMOLEN (34) iBOSS (34) iSANMATE (34) Polymaker (33) RAMBERY (27) IEMAI (21) ERYONE (19) LANDU (19) YUANEANG (18) Stronghero3D (17) Cookiecad (16) Chitu Systems (14) eSUN (14) Kingroon (14) NEOTRY (14) FLASHFORGE (12) TECSONAR (12) OVVNYXE (11) LOVOON (10) Creality (9) SUNLU (8) JAYO (6) Amoybaby (5) CHCKX (5) RepRapper (5) Filajoy3D (4) MIKA3D (4) Sovol (4) 3Dgenius (3) QFOUR (3) YOOPAI (3) CC3D (2) Comgrow (2) Eono (2) Gizmo Dorks (2) JAREES (2) Segrehy (2) Semdon (2) ANYCUBIC (1) ATARAXIA ART (1) CCTREE (1) dikale (1) Fafeicy (1) FilaBees (1) Kretrum (1) OVERTURE (1) PrimaCreator (1) SainSmart (1) XZN (1) ZIRO (1)

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.