Show Notes
Stop fighting PETG. This material offers incredible toughness and temperature resistance, but it's notorious for stringing, blobs, and failed first layers. We provide the complete roadmap to taming this beast, starting with the critical steps everyone gets wrong. In this episode you’ll learn: Why drying PETG is mandatory (not optional) and the specific time and temperature protocols required for a clean print.
The "no-squish" Z-offset technique: how PETG differs from PLA and why you must leave a specific gap to prevent nozzle buildup.
How to tune your cooling fan (30-50%) to lock in layer adhesion without causing warping or weakness.
Why you cannot chemically smooth PETG with common solvents like Acetone or IPA—and what happens when you try.
Effective post-processing methods that actually work, from wet sanding for a smooth finish to using primers for painting.
Key retraction and speed settings to finally manage this stringy material on both direct drive and Bowden extruders.
Key Settings Profile: Drying: 65°C (149°F) for 4–6 hours.
Nozzle: 230–250°C.
Bed: 70–85°C (PEI or glue stick).
Fan: 30–50% (Never 100% after the first layers).
P.S. We also 3D-print custom teambuilding props and gadgets for our partners Z-AGENCY (https://www.z-agency.cz/en-us/) and TerraHunt (https://www.terrahunt.com).
Read the full guides on our site: Mastering PETG Printing: Settings, Tips, and Troubleshooting · Perfect PETG Surface: A Guide to Sanding, Gluing, and Painting
Watch on YouTube: 3D Printing Made Easy playlist
We 3D-print custom props and game pieces for Z-AGENCY and TerraHunt. This show is our AI bonus channel: episodes are automatically generated audio editions of the articles we publish at printara3d.com, so you can follow our topics on the go.
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