Polymaker 1.75mm 1kg 3D Printer Filament for $13 + free shipping w/ Prime

Glass-fiber reinforcement gives this filament more rigidity and heat resistance than standard PLA, making it a solid pick for functional parts rather than just display prints. Amazon has it at $13, which is a savings of $11. Prime members get free shipping. Buy Now at Amazon

Features

High heat resistance after annealing 12% glass fiber for increased strength Prints easily without an enclosed printer chamber Supports high-speed printing up to 350mm/s Low shrinkage for reliable dimensional stability