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Using the Brush tool

The Brush tool lets you apply colored or blended strokes to the current plate.
Painting with the Brush tool.

To Use the Brush Tool

1.   Click the Brush tool in the RotoPaint toolbar.
2.   Set color, opacity, brush type, brush size, and brush hardness in the RotoPaint tool settings at the top of the Viewer. (For information on the available options, see Editing Existing Stroke/Shape Attributes.) You can also change the size of the brush using Shift+drag directly in the Viewer as shortcut.
3.   Optionally, set the lifetime of the stroke in the RotoPaint tool settings. (For information on the available options, see Editing Existing Stroke/Shape Timing.)
4.   Apply strokes as necessary.

TIP:  If you need to draw a completely straight line with the brush tool, try this: Draw a freehand stroke, activate the Select All tool, enable show paint stroke splines mode in the tool settings, and marquee select and delete all but the first and last point on the stroke.