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Panel reference

Fine Tune panel

Live tweaks during a print

Where Job Status → Fine Tune buttonControls 6

Six independent live-tunable cards. Every change is applied to the running print immediately — no pause, no stop. Each card is built the same way: title, current value, − / ↺ / + buttons, and two step-size pills for fine vs coarse adjustments.

Fine Tune panel showing six cards in a 2×3 grid: Z Offset, Speed, Extrusion on top; Fan, Pressure, Corner Vel on the bottom. Each card has minus/reset/plus buttons and two step-size pills.123456

  1. Z OFFSET

    Live first-layer height.

    The most common tune. Adjusts the toolhead's Z position in millimetres while printing. Negative = closer to bed. Step ±0.01 mm (fine) or ±0.05 mm (coarse). The change shows up on the very next layer. See the walkthrough for the visual diagnostic chart.

  2. SPEED

    Overall print speed factor.

    Multiplier on the slicer's commanded speed. 100% = no change. Drop to 50% to slow down a tricky bridge or overhang; bump to 130% on chunky infill once you've confirmed quality.

  3. EXTRUSION

    Flow factor (extrusion rate).

    Multiplier on filament feed. Walls look gappy or under-extruded? Bump to 102-105%. Over-extruding (blobs, lumpy top surfaces)? Drop to 97-98%. Small adjustments go a long way — never jump more than 5% at once.

  4. FAN

    Part-cooling fan speed.

    Live override of the part-cooling fan. Increase for bridges and overhangs (more cooling = sharper detail), decrease for ABS / ASA so the part doesn't warp from too much airflow.

  5. PRESSURE (Advance)

    Extruder pressure compensation.

    Pressure Advance — compensates for the extruder's slight delay when stopping or starting filament flow. Higher = sharper corners, less stringing, less ooze. Typical range 0.02 – 0.06 for direct drive, 0.3 – 0.8 for bowden.

  6. CORNER VEL

    Square corner velocity.

    How fast the toolhead is allowed through sharp corners. Lower = smoother corners but slower print. Higher = faster, but may cause ringing on tall walls. Default 5 mm/s is conservative — bumping to 8-10 mm/s can shave significant time off detail-heavy prints.

Good to know

  • Every Fine Tune change is per-print — values reset to defaults when the printer reboots.
  • To make a Z offset stick permanently, finish the print and tap Settings → Save Z (Probe) on Job Status.
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