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

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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.


  • Post-Processing: Assembling & Smoothing

    Post-processing 3D printed parts often involves multiple finishing methods to make the part look and feel how you want. In this article, we’ll cover the finishing options for assembling and smoothing your parts. It is important to note, however, thatRead More

  • Infill for FDM 3D Printing

    FDM 3D printed parts are not always made solid. Rather, with this printing method, parts can be made varying degrees of hollow to help control the print time, cost, and weight of the part. This is done by altering the infillRead More

  • Education discount now available on the website!

    Here at COEX we love supporting the STEAM and STEM programs! We offer a discount (20%) for folks in education and non-profit organizations for 3D filament. Your order can be processed through our website with the education discount along withRead 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.