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Pen Tool

Pen Tool
  • Toggle between draw and erase mode with Alt/Option.
  • Adjust pen size with the slider, or while the pen is selected, hold Control and right-click drag left/right.
  • Pressure sensitivity can be toggled on and off from the pen panel.

Draw Options

There are three drawing modes:
ModeBehavior
OverNormal drawing — new strokes are drawn over existing pixels
UnderDraws behind any existing pixels
WithinConfined to only existing pixels

Eraser Tool

Eraser Tool
A dedicated eraser tool with its own size setting, independent of the pen tool.

Common Uses for Pen and Eraser

After analyzing your frames, you may find gaps in your linework. In addition to adjusting the Analysis Settings, you can use the pen and eraser to make manual corrections. You can also use the pen on the Color Layer for small tweaks. Note that drawing on the color layer does not currently update the segmentation mask, so manual changes may not persist through re-colorization.

Fill Tool

Fill Tool
Regardless of which layer is selected, the fill tool always fills on the Color Layer. It corresponds to the segment map of each image, and changes made with this tool propagate to other frames when used as a reference.

Eyedropper

Eyedropper Tool
The eyedropper samples any color on the canvas. Hold Shift as a shortcut to eyedrop while using another tool.