3D Printing Troubleshooting & Calibration: The Complete Guide Index

Article author: Eolas Prints
Article published at: Jun 17, 2026
Article tag: Calibration Article tag: FDM Article tag: Getting Started Article tag: Guides Article tag: Troubleshooting

Almost every 3D printing problem has a known cause and a reliable fix. We've put together a complete set of practical guides covering the issues makers actually run into — from a first print that won't stick, to dialling in a perfect filament profile. This page is the index: find your symptom, jump to the guide, fix the problem. Bookmark it.

Start Here: New to 3D Printing

If you're just getting started, begin with the fundamentals and work outward as problems come up.

Bed Adhesion & First-Layer Problems

The most common failure of all — and the foundation of every successful print.

Surface & Quality Defects

Prints that stick but don't look right — strings, blobs, gaps, ripples.

Warping & Engineering Materials

The challenges specific to ABS, ASA, and other high-shrinkage materials.

Calibration: From Good to Great

Once your prints are reliable, calibration is what makes them excellent. These tests dial in your printer and filament.

Find Your Problem Fast

What you're seeing Go to
Print won't stick / first layer is a mess Bed adhesion
Wispy threads between parts Stringing
Gaps, thin or weak walls Under-extrusion
Blobs, zits, oversized parts Over-extrusion
Print jumped sideways / surface ripples Layer shifting & ghosting
Corners curling up / cracking (ABS, ASA) Warping
Prints OK but want them perfect Calibration
Just getting started PLA & first print

The Common Thread: Good Filament

You'll notice a theme across these guides: a lot of "random" problems trace back to filament — damp, brittle, or inconsistent in diameter. Consistent filament removes those variables so the settings you calibrate actually hold. Our PLA, PETG, TPU, ABS, and ASA are made in Spain to tight ISO/REACH tolerances and sealed dry. Pair good material with the guides above and most problems simply don't appear.

Still Stuck?

If you've worked through the relevant guide and a problem persists, get in touch with your printer, material, and a photo of the issue — we're happy to help troubleshoot. And if you're starting to think the real fix is a better-suited printer, browse our Flashforge, Prusa, and Bambu Lab ranges or ask us for a recommendation.

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