PETG stringing: what to check before changing every setting

By Let's 3D Studio · 1 min read

PETG can make strong, practical parts, but fine strands between travel moves can make an otherwise good print look unfinished. Begin with the simplest cause: filament that has absorbed moisture can print noisily, pop at the nozzle, and leave a rougher surface. Dry and store the spool appropriately before rebuilding the slicer profile.

Next, use a known-good material profile and change only one travel-related variable at a time. Retraction, travel speed, nozzle temperature, and wipe behavior interact, so a large set of simultaneous changes makes it difficult to learn what actually helped.

A small stringing test is more informative than a large model. Keep notes for each spool, because even the same material family can respond differently by brand, color, and storage history.