Monthly Archives: February 2026

PEEK 3D Filament Explained: What It Is, Why It’s Used, and Which Kexcelled PEEK Grade to Pick

What Is PEEK?

If you’ve been looking into high-performance 3D printing materials, you’ve probably seen PEEK come up a lot. It gets talked about as one of the “serious” engineering filaments, and that’s because it is.

PEEK (Polyether Ether Ketone) is a semi-crystalline, high-performance thermoplastic that’s built for jobs where normal materials just aren’t enough. It’s known for handling high temperatures, chemical exposure, and mechanical stress far better than common filaments like PLA, PETG, or ABS. Victrex, one of the best-known names in PEEK materials, describes it as one of the highest-performing thermoplastics available, which is pretty much why it’s become such a big deal in industrial manufacturing and additive manufacturing.

Why PEEK Is So Effective in Engineering Applications

What makes PEEK so useful is the combination

Carbon Fibre Filament for 3D Printing: when it is worth it, what to print, and how to get clean results

If you have ever printed a part that felt “nearly there” but not quite rigid enough, carbon fibre reinforced filament is usually the next step people Google. Not because it magically turns your desktop printer into an aerospace machine, but because it solves a very specific set of problems really well: stiffness, dimensional stability, and lightweight strength for real world functional parts.

We have been selling a fair bit of carbon fibre filament lately, so I wanted to put together a proper guide that answers the stuff people actually ask when they are researching CF filament. What is it good for, when is it a waste of money, which base polymer should you choose, and what do you need to change in your print settings so it does not come out like a brittle twig.

And yes, we are talking specifically around chopped carbon fibre filled FFF or FDM filaments (PL