Press Paint Tools to open the Painter Editor, where you can define the brush settings.
If some strokes appear where they shouldn’t, you have some overlapping Uvs: press Re-Project to fix the problem.
In the Paint Tools panel you can define the size of the texture which acts as a Mask between materials.
Adjust the size and strenght of the brush, and enable pressure sensitivity when using a graphic tablet.
Switch between three Stroke Methods: Dots (default), airbrush and line.
Define the jitter amount, and toggle its pressure sensitivity.
Raise the averaged input samples, to smooth the strokes.
Define a brush falloff, choosing a preset or setting a custom curve.
In the curve editor X represent the brush radius, from the center to the border, while Y represent strenght.
