While supplies last

35% off Cardboard Spools
Click buttons to apply codes & visit collection. Applies to sizes with "cardboard" in name.

Get new filaments 1st with

Endless Pastabilities

Subscribe to Endless PLA by Nov 30 for Dec shipment

an attractive offer

Metal Filaments
Filled with real metal - magnetic steel & iron - polish or patina
Electrically Conductive Composite PLA tools

Watt's UP?

Electrical Filament
For Static Dissipative (ESD-safe) + Conductive Applications

Beautiful & Rigid with more options than ever

Fiber Filament
Carbon, glass, & wood fiber in PLA, HTPLA, PETG, PCTG, & HTPETG

Made from scratch in the USA

100+ colors
In stock + available now - coils starting at $5
Print with confidence!
Highly compatible, Protopasta prints & cardboard spools work! Not sure how?

our best everyday deal

Black Recycled PLA
$19.99/KG each or QTY 6 for $16.67/KG
1/9

make something special with Protopasta

Made in the USA + Highly Compatible

HTPLA & PLA are formulated for reliability + high speed. HTPLA prints like PLA. AMS compatible, 3D print edge guards if desired. More details in our blog. Thanks for choosing Protopasta! Questions? Email support@protoplant.com

How we make filament at Protopasta

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Protopasta Unboxing Videos

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Showcase + Reviews

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