Working with COEX LLC – Everything You Need in a Product and Partner

COEX 3D is dedicated to manufacturing the highest quality 3D printing materials in the industry. We are located in the heart of the Midwest in Pulaski, WI, USA. We adhere to strict quality standards, ensuring optimal performance and premium resolution of all our 3D printing materials. Our advanced extrusion equipment and laser micrometers ensure quality and consistency of our 3D printer filament. We use only prime virgin resins, colorants and processing additives to ensure our customers can rely on COEX 3D filament.

COEX 3D recognizes that 3D printing innovation is constant. That’s why we take great pride in advancing 3D printer material technology through polymer science research and innovation. Our team can accommodate custom projects and work directly with customers on troubleshooting and new product development.

COEX Blog


  • Coex is now offering more than filament!

    We are proud to announce Coex is now offering products beyond the filament you know and trust. Starting with filament drying, filament storage and bed adhesion products. All of which are in stock now. We will soon have an inventoryRead More

  • 3D Printer Flexible Filaments

    3D Printer filament consists of many types of thermo-plastics. It’s not uncommon for hobbyist to feel limited to only printing PLA and PETG. You’re better than that and you’ve got a great resource in Coex. Get in front of thatRead More

  • Greatest customers ever!!

    Here at COEX, we have been working like crazy to keep up with the outrageously high demand for filament.  Our customers are always special to us but these past few weeks have proven just how special you all really areRead More

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"From sales to shipment, we love working with the COEX team!  Not only do they produce consistent, high-quality filament, their team is super flexible and willing to take on all of our requests." — Matt F.