Why Choose Us

Your 3D Printer Filament Experts

COEX 3D Filament

Performance. Partnership. Innovation. When you buy 3D printer filament from Coex LLC, you can expect quality products and much more. Whether you are an engineer developing 3D prototypes at a large company or an entrepreneur who is creating products at home, well provide you the same level of excellent service and cutting-edge products.

Coex is Different


Coex products are second to none and have an industry reputation for superior run reliability and overall quality. We use only prime virgin resins, colorants and processing additives to ensure the reliability of Coex 3D printer filament.



We offer many ways to be your 3D printer filament solution — through contract manufacturing, private label programs, reselling, distribution.  Because our equipment can produce short runs and high volumes of both standard and high performance polymers, we can offer a customized solution that fits your specific needs. Give us the opportunity to be your trusted partner!


We recognize that innovation never stops and we are continuously assessing new polymers and processes to improve the already unparalleled quality and reliability of our filament products. We are always experimenting and sharing tips to make your experiences exceptional.



We believe success is a great product delivered by great people. We pride ourselves on outstanding customer service. The knowledgeable staff at Coex is available to speak with you about your project, give you new ideas, and answer any questions you may have about 3D printer filament products.



We have technical expertise on site. The Coex team has longevity in the industry — our average manufacturing employee has more than 10 years of experience. Because of this, you can be confident that you are not only getting a great product, but also the knowledge and expertise to address any questions you may have.



Our order-to-ship time is significantly faster than industry standard, so you can always count on us for on-time delivery. Because our 3D filament products are produced in the USA at our Pulaski, Wisconsin, facility, they can be shipped to any domestic location quickly and affordably.

Join the COEX Community

The COEX Community of avid 3D printing enthusiasts offers a networking and sharing space for 3D printing projects, tips and questions. Our growing community actively shares 3D printing projects and features the capabilities of COEX 3D’s filament first-hand. It’s quick and easy to upload a picture and description. Join the COEX Community today.

"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.