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Proto-Pasta filament, ranked by £/kg

Every Proto-Pasta listing in our filament section on Amazon UK, ranked by £/kg. The brand comes from Amazon’s own listing data.

8 listings tracked, 1 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
Nebula Multicolor HT PLA, 1.75mm 500g Spool	PLA	0.5 kg	★★★★½ 4.4 out of 5 (281 Amazon ratings)	£25.25	£50.50	—
no image yet Proto-pasta HTP21705-CF High Temperature Carbon Fiber Spool, PLA 1.75 mm, 500	PLA	0.5 kg	—	£34.18	£68.36	—
no image yet Proto-pasta Composite Iron PLA, 1.75mm 500g	PLA	0.5 kg	—	£34.59	£69.18	—
Protopasta Static Dissipative Black PLA 3D Printer Filament for ESD Safe Print	PLA	0.5 kg	—	£40.14	£80.28	33% below
Proto-Pasta PLA Filament, 1.75mm, 500g, Blue, Carbon Fiber, Highfive	PLA	0.5 kg	★★★★½ 4.4 out of 5 (280 Amazon ratings)	£43.62	£87.24	—
Proto-pasta CDP11705 Composite Conductive PLA, 1.75 mm 500 g, Black	PLA	0.5 kg	★★★★☆ 4.0 out of 5 (56 Amazon ratings)	£46.54	£93.08	8% below
no image yet Proto-Pasta Candy Apple Metallic Red HT PLA, 1.75mm, 500g Spool	PLA	0.5 kg	—	£48.27	£96.54	—
Proto-Pasta Copper Filled PLA, 1.75mm 500g Spool	PLA	0.5 kg	★★★★½ 4.4 out of 5 (52 Amazon ratings)	£58.22	£116.44	—

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.