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Rainbow & gradient filament, under 1 kg, new, rated 4 stars and up, 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 →

7 listings tracked, 5 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
NEOTRY 3D Printer Filament Silk Tri Colour PLA Filament Bundle, Rainbow PLA Fi	PLA	0.8 kg	★★★★★ 5.0 out of 5 (1 Amazon ratings)	£15.99	£19.99	15% below
NEOTRY 3D Printer Filament Silk Dual Colour PLA Filament Bundle, Rainbow PLA F	PLA	0.8 kg	★★★★★ 5.0 out of 5 (1 Amazon ratings)	£15.99	£19.99	5% below
AMOLEN Silk 3D Printer Filament PLA Bundle, Shiny Multicolor Rainbow Filament	PLA	0.8 kg	★★★★½ 4.4 out of 5 (15 Amazon ratings)	£22.00	£27.50	54% below
LOVOON 3D Pla Filament Bundle Dark Myth Series,Dark Gradient Filament 1.75mm,C	PLA	0.8 kg	★★★★☆ 4.2 out of 5 (34 Amazon ratings)	£22.22	£27.78	51% below
AMOLEN 3D Printer Filament Bundle - Triple Color Coextrusion Silk PLA Filament	PLA	0.8 kg	★★★★½ 4.4 out of 5 (34 Amazon ratings)	£26.00	£32.50	48% below
OVV3D Rainbow PLA Filament Bundle 3D Printer Filament, Silk PLA Filament 1.75m	PLA	0.8 kg	★★★★½ 4.3 out of 5 (143 Amazon ratings)	£44.26	£55.32	—
AMOLEN Matte PLA 3D Printer Filament Bundle, Multicolor Gradient Rainbow PLA 1	PLA	0.8 kg	★★★★★ 5.0 out of 5 (2 Amazon ratings)	£49.60	£62.00	—

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.