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*******
Brushes
*******
Brush Types
===========
See :ref:`Brush Type <sculpt-tool-settings-brush-type>`.
Available brush types are listed here, together with brushes from the
*Essentials* asset library using them.
Draw
Brushes: Paint Hard, Paint Soft, Paint Hard Pressure, Paint Soft Pressure, Erase Hard, Erase Soft, Erase Hard Pressure
The normal brush, draws a swath of color.
Soften
Brushes: Blur
Uses a "blur effect" to soften or sharpen the image.
Direction
Soften
Is used to paint a blur effect.
Kernel Radius (2D only)
Blur radius in pixels.
Sharpen
The Sharpen tool enhances the contrast of the image as you paint over it.
Sharp Threshold
The Threshold will only apply sharpening to only those pixels that
differ more than the threshold value from their surrounding pixels.
Kernel Radius (2D only)
The kernel size controls how big an area the tool searches over is while calculating that difference.
Blur Mode
The blur kernel type controls how neighboring pixels are weighted when calculating the blur effect.
:Gaussian: Gaussian will sample the pixels near the center of the brush most.
:Box: Box samples all surrounding pixels equally.
Smear
Brushes: Smear
When you click, takes the colors under the cursor, and blends them in the direction you move the mouse.
Similar to the "smudge" tool of *Gimp*.
Clone
Brushes: Clone
Copies the colors from the specified image (or location of the same image) to the active image.
In 3D projective painting the clone cursor can be set with :kbd:`Ctrl-LMB`.
In 2D painting the clone can be moved dragging it with :kbd:`RMB`.
Clone from Paint Slot (3D projective only)
Use another image as clone source, instead of using the 3D cursor position as the source in the same image.
Source Clone Slot
This allows you to select an image as a clone source.
Image (2D only)
Image used as a clone source.
Alpha (2D only)
Opacity of the clone image display.
Fill
Brushes: Fill
It can be used to fill large areas of the image with the brush color.
The tool fills adjacent pixels that have a color value similar to the pixel you clicked on.
Fill Threshold (2D only)
Determines how much the color must be similar to the color of pixel you click to be filled.
A low *Threshold* only fills very similar in color pixels.
A higher *Threshold* fills pixels within a broader range of color.
The *Gradient* type of the Color Picker allows the use of a gradient to fill the image.
To apply the gradient with the *Fill* brush click :kbd:`LMB` and drag to define
the gradient line, or radius if a radial gradient is used (depending on the *Gradient Fill Mode*).
Gradient Fill Mode
Linear, Radial
.. note:: Overrides
For projective texturing it will bypass some options for projective painting to paint the model.
This means that occluded, backfacing and normal culled faces will always get filled,
regardless of whether the options are activated
in the :doc:`External </sculpt_paint/texture_paint/tool_settings/options>` panel.
Mask
Brushes: Mask
This brush paints gray-scale values on the mask texture
specified in the :doc:`Mask panel </sculpt_paint/texture_paint/tool_settings/mask>`.
Any masked surfaces will not be affected by other paint brushes, similar to
:doc:`sculpt mode masking </sculpt_paint/sculpting/introduction/visibility_masking_face_sets>`.
Mask Value
Mask weight, a value of zero means not masked, while one is completely masked.
Hold :kbd:`Ctrl` to invert the painted mask value.
.. tip::
A simpler alternative is to use the face selection mask.
See :ref:`Face Selection Masking <bpy.types.Mesh.use_paint_mask>` for details.
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