We track 791 rainbow and multicolor filament listings from 125 brands, with prices checked every 4 hours and normalized to a true cost per kilogram. Rainbow filaments change color along the spool, so a single print shows several colors without a multi material printer.
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AMOLEN Silk PLA 3D Printer Filament Bundle, Dual Color, PLA 1.75mm, 200gx4
LANDU Silk PLA 3D Printer Filament,Multicolor Filament 200G X 4 Bundle
AMOLEN Silk Multicolor PLA Bundle, Fast Color Change, 200g X 4 Spools
AMOLEN Silk Gradient Rainbow PLA 3D Printer Filament Bundle, 200gX 4 Spools
AMOLEN Silk Gradient Rainbow 3D Printer Filament Bundle, 200gX 4 Spools
AMOLEN Silk & Matte Rainbow 3D Printer Filament PLA 1.75mm, 4×200G Pack
Cookiecad PLA Filament Fast Rainbow Gradient, Unicorn, 1.75mm 500g
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