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Wiki Update 10 - Quality (#10301)
* Update quality_settings_wall_generator.md * Expand layer height wiki * Rework height * Update quality_settings_line_width.md * Update quality_settings_precision.md * Update quality_settings_seam.md * Minor linking * Update quality_settings_wall_and_surfaces.md * Reverse on odd improved * Extra perimeter on overhangs * Images fixes * Update speed_settings_jerk_xy.md * quality_settings_ironing * Update quality_settings_seam.md * Update quality_settings_bridging.md * Remove precision sub-section links * Add icons to settings links in Home documentation * Moved fuzzy skin Remove Fuzzy Skin section from special mode settings to it's own place. * Fix image adaptive-pressure-advance-calib.md * Update image references Standardized image alt text and filenames for consistency and clarity. * Update image alt text and file references in docs Standardized and clarified image alt text in Calibration.md for easy md to html conversion. * Update seam * Base scarf joint seam * Update quality_settings_seam.md * Update quality_settings_wall_generator.md * Update quality_settings_overhangs.md * Fuzzy Skin Generator Mode Wiki Co-Authored-By: π² <189209038+pi-squared-studio@users.noreply.github.com> * Infill Templates Wiki Co-Authored-By: π² <189209038+pi-squared-studio@users.noreply.github.com> * basic md formating * Update infill and advanced strength settings docs * Moved + Linked Metalanguage * image preview (change befor ready) * Update strength_settings_infill_rotation_template_metalanguage.md * reorder image description * Some credits * Spelling infill rotation metalanguage docs * Crop metalanguage fills * fix image reference * Update strength_settings_infill_rotation_template_metalanguage.md * Update strength_settings_infill_rotation_template_metalanguage.md * standard characters images * flow rate update division * Update Tab.cpp * Reworking flow rate calibration guide * Update strength_settings_top_bottom_shells.md * Flow Calib WIP --------- Co-authored-by: π² <189209038+pi-squared-studio@users.noreply.github.com> Co-authored-by: pi-squared-studio <pi.squared.studio@gmail.com>
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# Layer Height
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This setting controls how tall each printed layer will be. Typically, a smaller layer height produces a better-looking part with less jagged edges, especially around curved sections (like the top of a sphere). However, lower layer heights mean more layers to print, proportionally increasing print time.
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Layer height defines the vertical thickness of each printed layer, playing a crucial role in both print quality and printing speed.
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## Tips
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Using smaller layer heights increases print time but results in:
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1. **The optimal layer height depends on the size of your nozzle**. The set layer height must not be taller than 80% of the diameter of the nozzle, else there is little "squish" between the printed layer and the layer below, leading to weaker parts.
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- Smoother surface finishes
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- Less noticeable layer lines
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- Enhanced detail on curves
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- [Better performance on overhangs](#layer-height-overhangs-impacts)
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2. While technically there is no limit to how small a layer height one can use, **typically most printers struggle to print reliably with a layer height that is smaller than 20% of the nozzle diameter**. This is because with smaller layer heights, less material is extruded per mm and, at some point, the tolerances of the extruder system result in variations in the flow to such an extent that visible artifacts occur, especially if printing at high speeds.
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For example, it is not uncommon to see "fish scale" type patterns on external walls when printing with a 0.4 mm nozzle at 0.08 mm layer height at speeds of 200mm/sec+. If you observe that pattern, simply increase your layer height to 30% of your nozzle height and/or slow down the print speed considerably.
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- [Quick Reference](#quick-reference)
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- [Layer Height Guidelines](#layer-height-guidelines)
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- [First Layer Height](#first-layer-height)
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- [Layer Height Overhangs Impacts](#layer-height-overhangs-impacts)
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## Quick Reference
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| Nozzle Size | Min | Max | [First Layer Height](#first-layer-height) |
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|-------------|--------|--------|-------------------------------------------|
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| 0.2mm | 0.04mm | 0.16mm | 0.12mm |
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| 0.3mm | 0.06mm | 0.24mm | 0.18mm |
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| 0.4mm | 0.08mm | 0.32mm | 0.25mm |
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| 0.5mm | 0.10mm | 0.40mm | 0.30mm |
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| 0.6mm | 0.12mm | 0.48mm | 0.35mm |
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| 0.8mm | 0.16mm | 0.64mm | 0.45mm |
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| 1.0mm | 0.20mm | 0.80mm | 0.55mm |
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## Layer Height Guidelines
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Usually, the optimal range for layer height is between 20% and 80% of the nozzle diameter.
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- **Below 20%:** Flow inconsistencies and "fish scale" patterns may occur, especially at high speeds.
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- **Over 80%:** Increased risk of layer adhesion issues and reduced print quality.
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## First Layer Height
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This setting controls how tall the first layer of the print will be. Typically, this is set to 50% of the nozzle width for optimal bed adhesion.
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Controls the thickness of the initial layer.
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A thicker first layer improves bed adhesion and compensates for build surface imperfections.
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### Tip
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**Recommended:** 0.25mm for 0.4mm nozzle (62.5% of nozzle diameter)
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**Maximum:** 65% of nozzle diameter
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A thicker first layer is more forgiving to slight variations to the evenness of the build surface, resulting in a more uniform, visually, first layer. Set it to 0.25mm for a 0.4mm nozzle, for example, if your build surface is uneven or your printer has a slightly inconsistent z offset between print runs. However, as a rule of thumb, try not to exceed 65% of the nozzle width so as to not compromise bed adhesion too much.
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## Layer Height Overhangs Impacts
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Layer height directly affects [overhang angle](quality_settings_overhangs#maximum-angle) capability and quality.
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**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.
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