The 'Root Puff' brush will rotate the root of the fibers or guides toward the direction of the surface normal. Especially useful when fibers have been combed to the point where the roots are rotated parallel to the surface. The Fur brush can be combined with the 'Tips' to further customize how the brush styles the fur. The 'Root Puff' tool can be found in the 'Hair Tools' subtab of the toolbox, found in the 'Paint' tab of the interface. When selected, the following attributes display in the Properties viewport.
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On the left, a group of combed guides, on the right the 'Root Puff' tool applied.
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Hair: Root Puff--
Puff Amount: The 'Puff Amount' value determines the strength of the brush stroke. Higher values will have a greater influence over the fibers than lower values.
Screen Brush: The 'Screen Brush' option, enabled by default, will affect all vertices under the brush tips circle, regardless of their distance. When the option is disabled, only vertices that are within the 3D sphere of influence around the brushes tip will be affected.
