Pressure Advance

Pressure Advance

From the Klipper Documents

Pressure advance does two useful things - it reduces ooze during non-extrude moves and it reduces blobbing during cornering. This guide uses the second feature (reducing blobbing during cornering) as a mechanism for tuning.

Klipper Documents

Slicer Settings

Paramenter	Value
Nozzle Diameter	0.4
Layer Height	0.3
Infill	0

Test Model: Square Tower

Console Commands

1. Setup

SET_VELOCITY_LIMIT SQUARE_CORNER_VELOCITY=1 ACCEL=500

2. Select command based on drive:

Direct Drive:

TUNING_TOWER COMMAND=SET_PRESSURE_ADVANCE PARAMETER=ADVANCE START=0 FACTOR=.005

Bowden Tube:

TUNING_TOWER COMMAND=SET_PRESSURE_ADVANCE PARAMETER=ADVANCE START=0 FACTOR=.020

Pressure Advance Calculator

Edit Your Slicer or Printer.cfg