First-layer calibration for PETG and reinforced filaments needs controlled squish, clean surface and stable temperature. Too much flow can cause strong adhesion and elephant foot.
Calibrate
- Clean and level the bed.
- Set Z offset.
- Check first-layer flow.
- Set bed temperature.
Reinforced materials
Fibre-filled filament may need a slightly larger nozzle and stable flow. Verify layer adhesion and surface before long prints.
Inspect
- Line width.
- Edge shape.
- Adhesion.
- Removal.
| Parameter | PETG | Reinforced |
|---|---|---|
| Z offset | Controlled | Controlled |
| Flow | Avoid excess | Stable |
| Bed | Moderate | Moderate |
| Nozzle | Standard | Wear-resistant |
Common engineering mistakes
- Over-squishing the first layer.
- Dirty bed.
- Changing Z and flow together.
- Ignoring nozzle wear.
- Measuring before cooling.
Buyer checklist
- Is the bed clean?
- Is Z offset correct?
- Is flow calibrated?
- Is the nozzle suitable?
- Is removal controllable?
Describe material and bed through our quote form.