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Rainbow & gradient filament, ranked by £/kg — on offer now

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 (124) On offer now (22)
By material: PLA (913) PETG (283) PLA+ (221) TPU (74) ABS (40) ASA (31) Nylon (18) PETG-CF (12) PC (7)
By finish: Silk (280) Matte (174) Dual & triple colour (150) Rainbow & gradient (124) Translucent (137) Glow in the dark (34) Sparkle & glitter (29) Marble (16) Wood (21) Colour-changing (3)

22 currently discounted.

ProductMaterial Weight RatingPrice Per kg Deal
NEOTRY Silk Tri Colour PLA Filament 1.75mm 1kg, Multicolor 3D Printer Filament PLA 1 kg 4.4 out of 5 (66 Amazon ratings) £10.83 £10.83 Warehouse
Creality 3D Printer Filament 1.75mm, Rainbow Upgraded PLA+ Filament Strong Tou PLA+ 2 kg 4.6 out of 5 (2,042 Amazon ratings) £23.73 £11.87 Warehouse
Reprapper PLA Filament 1.75mm 1KG – Green/Blue/Rose Red Tri Colour Silk PLA Fi PLA 1 kg — £11.99 £11.99 —
LANDU Silk Tri-Color PLA Filament 1.75mm 1Kg, Triple Color Silk PLA Filament, PLA 1 kg 4.6 out of 5 (204 Amazon ratings) £13.92 £13.92 Warehouse
Kingroon Silk Rainbow 3D Printer Filament PLA, Multi Colour PLA Filament, Dime PLA 1 kg — £13.99 £13.99 —
iSANMATE Matte Tri Colors PLA Filament 1.75mm, 3-in-1 Color Rainbow Filament, PLA 1 kg 3.9 out of 5 (4 Amazon ratings) £14.07 £14.07 Warehouse
Kingroon Silk Rainbow 3D Printer Filament PLA, Multi Colour PLA Filament, Dime PLA 1 kg — £14.99 £14.99 —
Creality Hyper PLA Filament 1.75mm, 30-600mm/s High Speed 3D Printer Filament, PLA 4 kg — £66.63 £16.66 —
RepRapper Glow in The Dark PLA Filament 1.75mm (4×250g) – 3D Printer Filament PLA 1 kg — £16.99 £16.99 —
RepRapper Glow in The Dark Rainbow PLA Filament 1.75mm – Phosphorescent Multic PLA 1 kg — £17.66 £17.66 Warehouse
Flashforge PLA Crystal Rainbow 3D Printer Filament 1.75mm, 3D Printing Materia PLA 1 kg — £17.84 £17.84 —
RepRapper Glow in The Dark PLA Filament 1.75mm (4×250g) – High-Brightness Lumi PLA 1 kg 4.2 out of 5 (1,686 Amazon ratings) £18.10 £18.10 Warehouse
RAMBERY Matte Rainbow PLA 3D Printer Filament Bundle, 10 Colors Total 10kg, 1. PLA 10 kg 4.9 out of 5 (11 Amazon ratings) £228.13 £22.81 —
LOVOON 3D Printer Filament, 1.75mm Rainbow Color Green-Red-Blue, 2.2lbs/Spool, PLA 1 kg — £23.26 £23.31 —
Cookiecad Mermaid (Purple->Blue->Green Rainbow Transition) PLA 3D Printer Fila PLA 1 kg — £28.58 £28.58 —
Stronghero3D PETG 3D Printer Filament 1.75mm,Silk Rainbow,Multi Color,Solid Op PETG 1 kg — £37.76 £37.76 —
TECSONAR Crystal Rainbow PLA 3D Printer Filament, 1KG Spool(2.2lbs) 1.75mm PLA PLA 1 kg — £39.44 £39.44 —
IEMAI PETG Filament 1.75mm, Gradient Purple to White, High-Speed 3D Printer Fi PETG 1 kg — £39.68 £39.68 —
eSUN Silk PLA 3D Printer Filament 1.75mm Three-Color Gradient Shiny Silky Fila PLA 1 kg — £42.39 £42.39 —
RAMBERY 3D Printer Filament Bundle Silk Shiny PLA Filament Fast Color Change T PLA 1 kg — £44.26 £44.26 —
Comgrow - Rainbow PLA Tricolor Silk 3D Printer Filament, 1.75mm, Dimensional A PLA 1 kg — £47.19 £47.19 —
Hapivida PLA Filament 3D Printer, Fast Color Gradient Change Multicolored 1.75 PLA 0.2 kg — £13.20 £66.00 —

Rainbow & gradient filament by brand

All brands iSANMATE (25) ERYONE (11) LANDU (9) IEMAI (6) iBOSS (5) NEOTRY (5) RepRapper (5) SUNLU (5) eSUN (4) Kingroon (4) AMOLEN (3) Stronghero3D (3) Creality (2) FLASHFORGE (2) Polymaker (2)

Guides

Best-selling Filament by year — which actually sold best, going back several years, ranked by sales position rather than opinion.