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Filled with real metal - magnetic steel & iron - polish or patina
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New Filaments
Every month with Endless Pastabilities Subscriptions
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Electrically Conductive Composite PLA tools

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Electrical Filament
For Static Dissipative (ESD-safe) + Conductive Applications
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From scratch in Vancouver, WA USA

100+ colors
In stock + available now - coils starting at $5
Shop for Protopasta HTPLA colors

ENJOY THE PASTA THIS FALL

SAVE $$$ on Filament
Shop for current on SALE items or save everyday with BULK Discounts
30% off in Sale Collection Bulk discounts up to 35% off

Rigid & Beautiful

Fiber Filament
Made from carbon, glass, & wood fiber in Vancouver, WA USA
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our best everyday deal

Black Recycled PLA
$19.99/KG each or QTY 6 for $16.67/KG
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Print with confidence!
Highly compatible, Protopasta prints & cardboard spools work! Not sure how?
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Your solution for custom

Extrusion
of resin, colors, & composites - 10s to 100s of KG - budgets $1000+
Contact us for custom filament or pellets
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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, add edge guards & spool weights as needed or use as a refill. Thanks for choosing Protopasta! Questions? Email support@protoplant.com

OUR NEWEST PRODUCTS

Endless Exploration Filament Subscription *new in 2024* Endless Exploration Filament Subscription *new in 2024*
Endless Exploration Filament Subscription *new in 2024*
$24.99 USD for 1.75mm / Coils
$24.99 USD for 1.75mm / Coils
Steel-filled Metal Composite PLA 3d print Steel-filled Metal Composite PLA polished 3d print
High Density Stainless Steel-filled HTPLA
$99.99 USD for 1.75mm / 1kg Spool
$99.99 USD for 1.75mm / 1kg Spool
Iron-filled Metal Composite PLA 3D Print Iron-filled Metal Composite PLA 3D Print
High Density Iron-filled HTPLA
$10.00 USD for 1.75mm / 100g Coil
$10.00 USD for 1.75mm / 100g Coil
Endless PLA Filament Color Subscription Endless PLA Filament Color Subscription
Endless PLA Filament Color Subscription
$14.99 USD for Contemporary / 50g Coils
$14.99 USD for Contemporary / 50g Coils
Black to the Fuchsia Multicolor HTPLA Black to the Fuchsia Multicolor HTPLA
Black to the Fuchsia Multicolor HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Jurassic Jungle Green c-Matte PLA Jurassic Jungle Green c-Matte PLA
Jurassic Jungle Green c-Matte PLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Chocolate Eruption Brown HTPLA Chocolate Eruption Brown HTPLA
Chocolate Eruption Brown HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Red Glass Fiber HTPLA Red Glass Fiber HTPLA
Red Glass Fiber HTPLA
$5.50 USD for 1.75mm / 50g Coil
$5.50 USD for 1.75mm / 50g Coil

OUR LATEST STORIES

Endless Exploration EX11 (Nov. 2025) Reflective Filament for 3D Printing

Endless Exploration EX11 (Nov. 2025) Reflective Filament for 3D Printing

Reflecting on the past I can still remember dressing up as a ninja for Halloween. My parents we're a little...

Endless PLA #39 (October 2025) - Festive Fall Fun

Endless PLA #39 (October 2025) - Festive Fall Fun

We kicked off the fall season with a trip to the East Coast for a 3D printing festival, 3D Printopia....

Endless Exploration EX10 (Sept. 2025) High Density Metal HTPLA

Endless Exploration EX10 (Sept. 2025) High Density Metal HTPLA

A brief history of Protopasta metal 3D printing filament Yes, you can print with metal on your filament 3D printer!...

OUR MOST POPULAR PRODUCTS

Endless PLA Filament Color Subscription Endless PLA Filament Color Subscription
Endless PLA Filament Color Subscription
$14.99 USD for Contemporary / 50g Coils
$14.99 USD for Contemporary / 50g Coils
Iron-filled Metal Composite PLA 3D Print Iron-filled Metal Composite PLA 3D Print
Iron-filled Metal Composite PLA
$9.00 USD for 1.75mm / 100g Coil
$9.00 USD for 1.75mm / 100g Coil
Electrically Conductive Composite PLA 3d print Electrically Conductive Composite PLA filament
Electrically Conductive Composite PLA
$7.00 USD for 1.75mm / 50g Coil
$7.00 USD for 1.75mm / 50g Coil
Steel-filled Metal Composite PLA 3d print Steel-filled Metal Composite PLA polished 3d print
Steel-filled Metal Composite PLA
$12.00 USD for 1.75mm / 100g Coil
$12.00 USD for 1.75mm / 100g Coil
Black Carbon Fiber Composite HTPLA 3D Print Black Carbon Fiber Composite HTPLA Filament Spool
Clearance
Black Carbon Fiber Composite HTPLA
$6.00 USD for 1.75mm / 50g Coil
$6.00 USD for 1.75mm / 50g Coil
Copper HTPLA 3d print Copper HTPLA polished 3d print
Copper-filled Metal Composite HTPLA
$12.00 USD for 1.75mm / 100g Coil
$12.00 USD for 1.75mm / 100g Coil
Joel's Highfive Blue HTPLA Filament 3D Print Joel's Highfive Blue HTPLA Filament Spool
Joel's Highfive Blue HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Iridescent Ice Clear Translucent HTPLA 3D Print Iridescent Ice Clear Translucent HTPLA Filament Spool
Iridescent Ice Clear Translucent HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
The Original Nebula Multicolor HTPLA The Original Nebula Multicolor HTPLA
The Original Nebula Multicolor HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Carbon Fiber PLA 3d print Carbon Fiber PLA filament
Clearance
The Original Carbon Fiber Composite PLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Galactic Empire Metallic Purple HTPLA Galactic Empire Metallic Purple HTPLA
Galactic Empire Metallic Purple HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Candy Apple Metallic Red HTPLA 3D Print Candy Apple Metallic Red HTPLA Filament Spool
Candy Apple Metallic Red HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil $0.00 USD
Amie's "Blood of My Enemies" Translucent Red HTPLA Amie's "Blood of My Enemies" Translucent Red HTPLA
Amie's "Blood of My Enemies" Translucent Red HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Brass-Filled Metal Composite HTPLA 3d print Brass-Filled Metal Composite HTPLA polished 3d print
Brass-filled Metal Composite HTPLA
$12.00 USD for 1.75mm / 100g Coil
$12.00 USD for 1.75mm / 100g Coil $0.00 USD
Matte Fiber HTPLA - Black 3D Print Matte Fiber HTPLA - Black Filament Spool
Clearance
Matte Fiber HTPLA - Black
$6.00 USD for 1.75mm / 50g Coil
$6.00 USD for 1.75mm / 50g Coil
Empire Strikes Black HTPLA 3d print Empire Strikes Black HTPLA filament
Empire Strikes Black HTPLA with Silver Glitter
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil

SEE WHAT'S ON SALE

30% off items in SALE collection with the code FALLSAVINGS2025

White Opaque HTPLA 3D Print White Opaque HTPLA 3D Print
Clearance
White Opaque HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Matte Fiber HTPLA - Gray 3D Print Matte Fiber HTPLA - Gray Filament Spool
Matte Fiber HTPLA - Gray
$6.00 USD for 1.75mm / 50g Coil
$6.00 USD for 1.75mm / 50g Coil
Bobbi's Purple Iris HTPLA Bobbi's Purple Iris HTPLA
Bobbi's Purple Iris HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Dragon Scale Purple HTPLA Dragon Scale Purple HTPLA
Dragon Scale Purple HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Matte Fiber HTPLA - Mahogany Wood Matte Fiber HTPLA - Mahogany Wood
Matte Fiber HTPLA - Mahogany Wood
$6.00 USD for 1.75mm / 50g Coil
$6.00 USD for 1.75mm / 50g Coil
Nebula Night Glow Fluorescent Multicolor HTPLA Nebula Night Glow Fluorescent Multicolor HTPLA
Nebula Night Glow Fluorescent Multicolor HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Summertime Green HTPLA Summertime Green HTPLA
Summertime Green HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Simply Black PETG Simply Black PETG
Simply Black PETG
$4.00 USD for 1.75mm / 50g Coil
$4.00 USD for 1.75mm / 50g Coil $0.00 USD