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07-31-2016, 02:20 PM #27
- Join Date
- Sep 2014
- Location
- Brummen, Netherlands
- Posts
- 265
They look like steam bubbles to me. Take a magnifying glass or USB microscope for a better look. Try to 'pop' them.
If steam bubbles, you need to dry your filament.
Despite the many false claims, PETG really does absorb water from the environment (as does every polymer to more or lesser degree .... ).
Holes and pockmarks in print walls
06-04-2024, 09:14 AM in General 3D Printing Discussion