DiscoverThe Infill Podcast - The Place For 3D PrintingEp. 74: Martina and Karel of Fillamentum on Sustainable Innovation and Eco-Friendly Filaments
Ep. 74: Martina and Karel of Fillamentum on Sustainable Innovation and Eco-Friendly Filaments

Ep. 74: Martina and Karel of Fillamentum on Sustainable Innovation and Eco-Friendly Filaments

Update: 2025-11-03
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In this episode, we are joined by Martina Bartoňová and Karel Kunz. Brought to you by Sovol (https://jle.vi/sovol) and OctoEverywhere (https://octoeverywhere.com/welcome?id=podcast).

🎁 Get $10-20 OFF on Sovol 3D Printers: https://jle.vi/sovol (use code NEXTLAYER)

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Martina Bartoňová and Karel Kunz are one of the team members behind Fillamentum, joins us to share how the company continues to lead the way in sustainable 3D printing materials. From their groundbreaking Fishy Filaments project—which transforms reclaimed fishing nets into premium filament—to their ongoing innovations like NonOilen, FlexiTorc, and Flexfill PEBA, Martina and Karel reveals how Fillamentum is redefining what’s possible in the eco-friendly 3D printing industry.

With their deep background in material development and product innovation, Martina and Karel discusses the company’s mission to reuse high-performance polymers and create filaments that not only print beautifully but also protect the planet. 

Whether you’re a 3D printing hobbyist, professional, or sustainability advocate, this episode offers an inside look at how Fillamentum blends science, design, and environmental responsibility to drive meaningful change in the maker community.

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💬 JOIN MY DISCORD: https://jle.vi/tnl-discord

🎥  IN THIS EPISODE:  🎥

00:00 Introduction

01:08 Meet Martina and Karel from Fillamentum

01:51 Martina's Journey in Fillamentum

02:58 Karel's Background and Role

04:11 Innovations in Filament

04:56 The Evolution of 3D Printing Materials

06:16 Challenges and Innovations in Filament Production

08:34 Marketing and Educating Customers

12:56 Fishy Filaments: Recycling High-Quality Nylon

16:59 NonOilen: A High-Performance PLA Blend

29:06 Upcoming Bio-Based Colors

29:28 Limited Edition Drops

31:42 Innovative Iridescent Filaments

33:15 Flame Retardant and ESD Materials

35:23 The Future of Nylon in 3D Printing

44:23 Exploring FlexiTorc

45:40 PEBA vs. TPU

53:28 Recycled Medical-Grade Filaments

56:05 Conclusion and Future Innovations

🔗 CONNECT WITH MARTINA AND KAREL: 🔗

👉 Fillamentum: https://jle.vi/fillamentum

👉 Subscribe to Fillamentum on YouTube: https://www.youtube.com/@Fillamentum

👉 Follow Fillamentum on X: https://x.com/Fillamentum

👉 Follow Fillamentum on Instagram: https://www.instagram.com/fillamentum/

👉 Like Fillamentum on Facebook: https://www.facebook.com/fillamentum/

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📍My recommended electronics & control boards: https://jle.vi/bigtreetech

📍 My favorite 3D printing "accessory": https://jle.vi/magigoo | https://jle.vi/whambam

📍 My favorite 3D printing filament: https://jle.vi/polymaker

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Ep. 74: Martina and Karel of Fillamentum on Sustainable Innovation and Eco-Friendly Filaments

Ep. 74: Martina and Karel of Fillamentum on Sustainable Innovation and Eco-Friendly Filaments

Jonathan A. Levi