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Made in Green Bay, WI ★★★★★ 4.87 store rating · 648 reviews
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All collections

Transition Mystery Color filament on a black COEX 3D spool

2.85mm Filament

WELD3D Bed Adhesion Spray.

3D Printer Bed Adhesion

Clear 3D printer filament spool on white background, support filament for 3D printing

3D Printer Support Filament

Colorful spools of 3D printer filament including green, blue, white, yellow, black, and orange.

3D Printing Filament

ABS Filament

ABS Filament

Black ABS filament spool

ABS Prime

GluBoost Fill n' Finish Flexible Gel.

Adhesives

Spools of ABS filament for 3D printing in grey, blue, and orange colors

All ABS Filament

Nerd Approved apparel

Apparel

Green ASA Prime COEX 3D printer filament spool with cardboard reel, made in USA label

ASA Prime

Transition Mystery Color filament on a black COEX 3D spool

Best Selling Products

White PLA filament spool

Bulk Filament

White PLA filament spool

COEX 3D brand discount list

COEXFlex 3D printer filament logo with bold orange X and FLEX text on dark background

COEXFlex 3D Printer Filament

COEXFlex FLEX 3D printing filament logo with orange and gray design elements

COEXFlex™ TPE

COEXNext recycled PLA 3D printer filament spool held in hand, factory background, USA made

COEXNext PLA

COEXNylex 3D printer filament logo with orange and white stylized X on dark background

COEXNylex 3D Printer Filament

Clear spool of white 3D printer filament against a black background

DuPont™ 3D Filament

Black ASA Prime filament spool

Engineering filament

Flame Retardant ABS

Flame Retardant ABS

Green gift card with colorful 3D X logo, rounded corners, and glossy finish

Gift Cards

Neon Green PLA filament spool

Halloween

Clear HIPS 3D printer filament spool on a gray plastic reel

HIPS 3D Printer Filament

Hytrel® 3D4000FL NC010 2.85mm.

Hytrel® 40D 3D Filament

Transition Mystery Color filament on a black COEX 3D spool

Mystery ABS

Transition Mystery Color filament on a black COEX 3D spool

Mystery COEXFlex™

Mystery PETG 3D printer filament spool with magnifying glass on white background

Mystery PETG

Transition Mystery Color filament on a black COEX 3D spool

Mystery PLA

PCTG Prime

PCTG Prime

COEX 3D black PETG filament spool for 3D printers, USA made, on white background

PETG Filament

COEX 3D printer filament spool, translucent red PLA, cardboard reel, Made in USA label

PLA Filament

COEX 3D PLA Prime yellow 3D printer filament spool, made in USA, on cardboard reel.

PLA Prime

Gold PLA silk 3D printer filament spool with cardboard reel, made in USA

PLA+SILK

Transition Mystery Color filament on a black COEX 3D spool

Quick Order

Reinforced Materials

COEX 3D printer filament spool, translucent red PLA, made in USA, on white background

Standard PLA

Free shipping at $75+

On orders of $75 or more to the contiguous US. Under $75, shipping is a $9 flat rate.

Defect guarantee

We replace or refund defective filament. See our refund policy.

Top-notch support

As a US manufacturer, we are available to call and receive help.

Secure payments

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At COEX 3D, we make 3D printer filament in Green Bay, Wisconsin, with virgin resin (COEXNext uses recycled resin), laser-controlled extrusion and climate-controlled production for consistent, tight-tolerance filament, spool after spool. Makers, hobbyists, engineers and businesses rely on it, from everyday PLA and durable PETG to engineering-grade ASA, ABS and flexible options. Run by makers for makers, we back you with expert guidance, custom solutions and fast shipping.

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