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Diagnostic Flow

Troubleshooting:
Over Extrusion

Blobs, rough surfaces, oversized walls and excess material

⏱

Time

4–8 min

🎯

Mode

Guided

⚡

Impact

Common

📈

Answer questions. Get the cause.

This flow keeps the tested CN3D diagnostic logic and only changes the presentation.

1

Diagnostic Progress

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Start by describing what you see. Your answers will build a diagnostic path.

Step 1 of 4

How does the over-extrusion appear?

Related issues

Related excess material

Under Extrusion

Opposite problem

🛠️Recommended calibration

Check these before changing random slicer values.

💧Flow Rate / EMCalibrationDial in exact material deposition.›📐Pressure AdvanceCalibrationClean up corners, starts and line pressure changes.›⚙️Extruder StepsCalibrationSet the mechanical extrusion baseline first.›

Open Calibration →

📚Read the explanation

Understand why this symptom appears.

📋Filament Calibration OrderArticleWhy each calibration step affects the next.›📐Pressure Advance ExplainedArticleWhy corners bulge and how PA compensates.›

Open Knowledge Base →

🎓Structured learning

Go deeper when the same problem keeps coming back.

🎓CN3D LearnLearnBuild the troubleshooting mindset instead of copying fixes.›