Refill Filaments – Sustainable 3D Printing Without the Waste

3DTrcek Refill Filaments offer an eco-friendly and budget-conscious alternative for everyday 3D printing. Designed to work with reusable spool systems, these filaments minimize plastic waste and cut down on material costs—without compromising print quality.

Whether you're printing prototypes, tools, or functional parts, our refillable spools fit seamlessly into your workflow. Choose from PLA, PETG, ASA, and more—all made in Slovenia, vacuum-sealed, and ready to load into reusable spools like Refill Master or Masterspool.

Start printing smarter, cleaner, and cheaper. Make the switch to refill filaments and join the sustainable 3D printing revolution.