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Layer Height
Layer height defines the vertical thickness of each printed layer, playing a crucial role in both print quality and printing speed.
Using smaller layer heights increases print time but results in:
- Smoother surface finishes
- Less noticeable layer lines
- Enhanced detail on curves
- Better performance on overhangs
Quick Reference
| Nozzle Size | Min | Max | First Layer Height |
|---|---|---|---|
| 0.2mm | 0.04mm | 0.16mm | 0.12mm |
| 0.3mm | 0.06mm | 0.24mm | 0.18mm |
| 0.4mm | 0.08mm | 0.32mm | 0.25mm |
| 0.5mm | 0.10mm | 0.40mm | 0.30mm |
| 0.6mm | 0.12mm | 0.48mm | 0.35mm |
| 0.8mm | 0.16mm | 0.64mm | 0.45mm |
| 1.0mm | 0.20mm | 0.80mm | 0.55mm |
Layer Height Guidelines
Usually, the optimal range for layer height is between 20% and 80% of the nozzle diameter.
- Below 20%: Flow inconsistencies and "fish scale" patterns may occur, especially at high speeds.
- Over 80%: Increased risk of layer adhesion issues and reduced print quality.
First Layer Height
Controls the thickness of the initial layer.
A thicker first layer improves bed adhesion and compensates for build surface imperfections.
Recommended: 0.25mm for 0.4mm nozzle (62.5% of nozzle diameter)
Maximum: 65% of nozzle diameter
Layer Height Overhangs Impacts
Layer height directly affects overhang angle capability and quality.
Smaller layer heights enable steeper overhangs by reducing the unsupported distance between layers, while larger layer heights increase this gap, leading to more sagging and requiring support material at shallower angles.