3D printer filament made in Green Bay, WI

Making filament since 2016 · ±0.03 mm tolerance*

*1.75 mm. 2.85 mm: ±0.06 mm.

COEX 3D filament extrusion line in Green Bay, WI
  • ±0.03 mmTolerance, 1.75 mm (2.85 mm: ±0.06 mm)
  • 100% virgin*Resin
  • Green Bay, WIOne plant, made here
  • Since 2016Making filament
  • 4.88 / 5638 store reviews

*Except COEXNext, our recycled filament from our own production waste.

New & deals

Laser micrometer measuring filament diameter on the COEX 3D line

Extruded, quality controlled and shipped from one plant in Green Bay, WI.

Every spool comes off our own line.

  • 100% virgin resin*

    Bought from American suppliers. No regrind.*

  • ±0.03 mm · ±0.06 mm

    Diameter tolerance on 1.75 mm · 2.85 mm, measured by laser micrometers on the line.

  • Lot-traceable spools

    Certificate of Conformance on request.

  • TDS and SDS

    Data sheets and print settings on product pages.

*Except COEXNext, our recycled filament from our own production waste.

Good value at every size

  • Free over $75

    $9 flat rate shipping to the contiguous US.

  • 500 g to 22 lb

    Spool sizes from samples to production runs.

  • Mix & match

    Bulk spool pricing on any filament: 6+ spools 5% off · 12+ 10% off · 24+ 15% off

  • Pallet pricing

    Half- and full-pallet pricing for business accounts.

Bulk & business pricing

Half- and full-pallet pricing. 400+ business accounts and counting.

  • Purchase orders and net terms
  • Government purchase cards (P-cards)
  • SAM.gov · CAGE 11R21 · UEI DHBZRUKALWZ1
  • Certificate of Conformance on request

Customers who count on us

And yes, our materials have been in space.

Logos are trademarks of their owners and show organizations whose teams have bought COEX filament.

Let's keep in touch

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