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Rainbow & gradient filament, under 1 kg, single spools, ranked by £/kg

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.

Silk, dual colour and gradient filament explained →

10 listings tracked, 2 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
no image yet ERYONE TPU Filament 1.75mm, 3D Printer Filament,Flexible 95A TPU, +/-0.03mm, 0	TPU	0.5 kg	—	£11.89	£23.78	—
no image yet Akozon 1.75mm Gradient PLA Filament for 3D Printers - Vibrant Silk Colors 200g	PLA	0.2 kg	—	£8.69	£43.45	—
AKLOSIPY .75mm Bright Silk PLA Filament Gradient 3D Printing Consumable for Ar	PLA	0.2 kg	—	£10.26	£51.30	—
Rainbow Gradient PLA Filament 1.75mm for 3D Printers, 200g Silk Effect for and	PLA	0.2 kg	★☆☆☆☆ 1.0 out of 5 (1 Amazon ratings)	£10.59	£52.95	7% below
no image yet OVAQUIXI Silk PLA Filament, Fast Gradient Color Change 1.75mm 3D Printing Fila	PLA	0.2 kg	—	£10.61	£53.05	—
Silk PLA Filament 1.75mm, Gradient Fast Color Change, Shiny, 200g Spool, Compa	PLA	0.2 kg	★★½☆☆ 2.7 out of 5 (7 Amazon ratings)	£10.64	£53.20	6% below
no image yet lvifloae 3D Printer Filament 1.75mm, 3D Printer PLA Filament Rainbow Gradient	PLA	0.2 kg	—	£12.69	£63.45	—
Hapivida PLA Filament 3D Printer, Fast Color Gradient Change Multicolored 1.75	PLA	0.2 kg	—	£13.19	£65.95	6% below
no image yet Glow in The Dark Gradient Rainbow 1.75mm PLA Filament, Luminous Rainbow Vibran	PLA	0.25 kg	—	£23.60	£94.40	—
1.75mm 3D Printer PLA Filament Rainbow Gradient Color Printer Filament for 200	PLA	0.2 kg	—	£19.59	£97.95	—

Rainbow & gradient filament by brand

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.