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Custom Profiles: Speed

    "minLayerDuration"

    Seconds

    This setting defines the minimum layer time. Any layer that takes less time to complete will be slowed down until the layer duration is equal to this number of seconds. This gives small layers time to cool so that the following layers will not be printed on still-melted plastic.

    "minSpeedMultiplier"

    Decimal, [0, 1]

    This setting multiplied by the base feedrates set in your extrusion profiles (see below) equals your minimum extrusion speed. Layers slowed down by the minLayerDuration setting will not print slower than the speed set here. Feedrates slowed down by the Dynamic Speed settings will not be affected by this setting.

    "doDynamicSpeed"

    True/False

    Dynamic Speed reduces your feedrate on tight curves for better surface quality. When doDynamicSpeed is set to true, the slicer will slow down your feedrate in situations determined by the Dynamic Speed settings below.

    "dynamicSpeedCurvatureThreshold"

    Degrees/millimeter

    The "dynamicSpeedCurvatureThreshold" setting combines with the "dynamicSpeedDetectionWindow" setting to determine how tight a curve must be to trigger a reduction in speed. If the average change in angle over the distance set in "dynamicSpeedDetectionWindow" is larger than the number of degrees per millimeter set in "dynamicSpeedCurvatureThreshold", the slicer will slow down that portion of the toolpath.

    "dynamicSpeedDetectionWindow"

    Millimeters

    The "dynamicSpeedDetectionWindow" setting combines with the "dynamicSpeedCurvatureThreshold" setting to determine how tight a curve must be to trigger a reduction in speed. If the average change in angle over the distance set in "dynamicSpeedDetectionWindow" is larger than the number of degrees per millimeter set in "dynamicSpeedCurvatureThreshold", the slicer will slow down that portion of the toolpath.

    "dynamicSpeedSlowdownRatio"

    Decimal, ratio

    This is the ratio of the current base feedrate to the speed used during a Dynamic Speed slowdown.

    "doDynamicSpeedGradually"

    True/false

    When a Dynamic Speed slowdown is triggered and "doDynamicSpeedGradually" is set to "true," changes to and from the target speed will be slowed down. When "doDynamicSpeedGradually" is set to "false," these changes will be handled entirely by firmware acceleration.

    "dynamicSpeedTransitionWindow"

    Millimeters

    When "doDynamicSpeedGradually" is set to "true," this setting will determine the distance over which the gradual changes in speed take place.

    "dynamicSpeedTransitionShape"

    Decimal, [0,1]

    This setting controls the transition to and from the target speed on a dynamic slowdown. When "dynamicSpeedTransitionShape" is set to values near 0, the velocity profile will more closely resemble a trapezoid. When "dynamicSpeedTransitionShape" is set to values near 1, the velocity profile will more closely resemble an S curve.

    "doDynamicSpeedOutermostShell"

    True/false

    This setting determines whether the slicer will use Dynamic Speed on the outermost shell of an object. 

    "doDynamicSpeedInteriorShells"

    True/false

    This setting determines whether the slicer will use dynamic speed on the inner shells of an object.

    "doSplitLongMoves"

    True/false

    If both a tight curve and part of a long, straight line are included in a Dynamic Speed detection window, the average change in degrees per millimeter may not be large enough to trigger a Dynamic Speed slowdown. The "doSplitLongMoves" setting fixes this problem by splitting each long move into sections and treating them as separate moves. When "doSplitLongMoves is set to true, every long move will be split into segments of the length set in the "splitMinimumDistance" setting below. If splitting a long move does not trigger a Dynamic Speed change, the segments will be recombined.

    Note: If you choose to split long moves into small segments, be aware that they may increase the size of your print file.

    "splitMinimumDistance"

    Millimeters

    When "doSplitLongMoves" is set to true, long moves will be split into segments of the length specified here.


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