Electrically Conductive Composite PLA tools

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

an attractive offer

Metal Filaments
Filled with real metal - magnetic steel & iron - polish or patina
Shop for Metal Filament Metal finishing blog

From scratch in Vancouver, WA USA

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

Rigid & Beautiful

Fiber Filament
Made from carbon, glass, & wood fiber in Vancouver, WA USA
Shop for Fiber Composites
Bone or Stone?
Calcium Carbonate Filaments CaCO3 blog

Now Premiering

New Filaments!
Every month with Endless Pastabilities Subscriptions
Read about our newest filaments Shop for our newest filaments
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

our best everyday deal

Black Recycled PLA
$19.99/KG each or QTY 6 for $16.67/KG
Get Recycled Filament
Print with confidence!
Highly compatible, Protopasta prints & cardboard spools work! Not sure how?
Learn More in our Blog

Your solution for

Custom Extrusion
of resin, colors, & composites - 10s to 100s of KG - budgets $1000+
Contact us for custom filament or pellets
1/10

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 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
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
Matte Fiber HTPLA - Black 3D Print Matte Fiber HTPLA - Black Filament Spool
Matte Fiber HTPLA - Black
$6.00 USD for 1.75mm / 50g Coil
$6.00 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
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

OUR LATEST STORIES

Endless PLA #38 (August 2025) - Unleash Your Inner Blockbuster

Endless PLA #38 (August 2025) - Unleash Your Inner Blockbuster

When it comes to movies, I really look forward to summer. You can always count on Hollywood to bring the...

Endless Exploration EX9 (July 2025) USA-made Glass Fiber HTPLA

Endless Exploration EX9 (July 2025) USA-made Glass Fiber HTPLA

A brief history of HTPLA Protopasta kickstarted High Temp PLA (HT-PLA) in 2013. Heat-treatable High Temperature PLA was a new...

Endless PLA #37 (June 2025) - Custom made, inspired design

Endless PLA #37 (June 2025) - Custom made, inspired design

We recently traveled to Rocky Mountain RepRap Festival (RMRRF), and while the focus of a 3D printing festival like this is...

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
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
White Glass Fiber HTPLA White Glass Fiber HTPLA
White Glass Fiber HTPLA
$5.50 USD for 1.75mm / 50g Coil
$5.50 USD for 1.75mm / 50g Coil
Blue Glass Fiber HTPLA Blue Glass Fiber HTPLA
Blue Glass Fiber HTPLA
$5.50 USD for 1.75mm / 50g Coil
$5.50 USD for 1.75mm / 50g 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
International Orange Opaque HTPLA International Orange Opaque HTPLA
International Orange Opaque HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Sun Gold Metallic Yellow HTPLA Sun Gold Metallic Yellow HTPLA
Sun Gold Metallic Yellow HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Lapis Lazuli Glitter HTPLA Lapis Lazuli Glitter HTPLA
Lapis Lazuli Glitter HTPLA
$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 SUMMERSAVINGS

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
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
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
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
Watermelon Crush Red HTPLA Watermelon Crush Red HTPLA
Watermelon Crush Red HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Nebula Gold Dust Multicolor HTPLA Nebula Gold Dust Multicolor HTPLA
Nebula Gold Dust Multicolor HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil
Dusty Smoke HTPLA Dusty Smoke HTPLA
Dusty Smoke HTPLA
$5.00 USD for 1.75mm / 50g Coil
$5.00 USD for 1.75mm / 50g Coil