check the size of the brush, and the color; make sure it is not transparent
Brush drawing tool
Brush drawing tool
BRUSH is a drawing tool for free hand drawing. It uses either a predefined brush shape (round, rectangular or diagonal) or a custom image. In either case, the shape of image is drawn repeatedly along the brush path. To use the brush tool, press and hold left mouse button and move the mouse over the canvas.
 Round brush strokes with various Size and Blur. |  Heart drawn with picture brush of flowers. |
The brush tool can be used with pressure-sensitive tablets. If you have a tablet with pressure sensitivity (and an installed driver), the pen pressure can control brush width, sharpness or intensity.
Configuration
 Version 2013.1 |  Version 2011.1 |
Shape brush
Use the upper Shape box to select the brush shape.
The Size box sets the diameter of the brush in pixels. It applies to shape brushes and image brushes.
The Blur box determines the sharpness/blurriness of the shape brushes.
Blur: 90% - 50% - 10%.
The Flow box controls how intense is the brush. For shape brushes, it controls the opacity of the brush.
Flow: 100% - 60% - 20%.
The check-boxes near Size, Blur, and Flow control whether the tablet pen pressure should influence the actual value set in these boxes.
The shape brush does not use fill styles, it always uses just the primary color.
Picture brush
Press the "..." button next to the shape selection box to pick a custom image brush. Any picture or animation can used as a picture brush.
The Size and Flow controls apply to picture brushes. The Flow parameter controls how often is the image drawn.
The last 3 controls (Scatter, Rotate and Resize) apply to image brushes only. If Scatter is enabled, the position of the drawn image is randomly shifted each time the image is drawn. Rotate randomly rotates the image and Resize randomly increases or decreases the image size.
Disabled <- [scatter, rotate, resize] -> Enabled
Since version 2013.1, recoloring of custom picture brush is supported. If the selected custom brush is monochrome (black-transparent or black-white), the currently selected color will be used instead of the color used in brush pattern.
Learn more by watching the Picture brush tutorial.
Any picture or animation can be used as a picture brush. If an animation is used, individual frames are randomly chosen when painting. The frame duration influences how often it used.
Scripting parameters
BRUSH tool can be used from scripts. The command in script must have the following arguments:
- shape - one of "ROUND", "SQUARE", "DIAGONAL".
- size - diameter or bounding box of the pattern in pixels.
- size_pressure (optional) - must be set to "NP" (normal pressure) or not used at all. If used, the pressure parameter in coords array will be used to control size.
- blur - controls how sharp of soft are the edges of the pattern in range 0-1.
- blur_pressure (optional) - must be set to "NP" or not used at all.
- flow - intensity used when drawing the pattern in range 0-1.
- flow_pressure (optional) - must be set to "NP" or not used at all.
- coords - at least 2 pairs of [X, Y] coordinates or triplets of [X, Y, pressure] if at least one of the brush parameters reacts to pressure. The pressure parameter will be clamped to <0.05, 1> range (which means you can draw only a single stroke with one command).
Example
DrawTool.BRUSH(Document, "ROUND", 12, "NP", 0.1, 1,
50, 50, 0.1, 100, 100, 1, 150, 50, 1, 200, 100, 0.1);See also: DrawTool object, Document object
Recent comments
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Anonymous
on September 5th 2014
can i blend colors
Anonymous
on February 12th 2015
I do not knoe how to put my creation as my mouse
Anonymous
on March 24th 2015
is a brober? to get out the paint???
Елена
registered user
on April 12th 2015
не могу выбрать значок руки - выбор страницы .при выборе из папки программы она пропадает - приходится загружать заново виндовс7. хочу выбрать и залить значок руки своим цветом .никак не выходит .помогите пожалуйста.
Anonymous
on September 16th 2015
How do I make brown? 
Anonymous
on September 27th 2015
how do you erase
soupy starmen
registered user
on August 1st 2016
Hey I have a drawing tablet I'm trying to use with realworld paint and realworld cursor editor but when I use it the paint isn't following my pen tip/cursor. It instead follows this dot that is a few inches away from the pen tip/cursor on my screen. Is there anyway I can configure the cursor coordinates for this so the paint will follow the pen and not this random dot?
probably not, updating tablet drivers may help
Anonymous
on October 23rd 2016
Brown is dark orange, erase by choosing the "replace" setting on the top toolbar (the blue and red squares) and using transparent as color, or selecting the eraser tool from the drop-down menu where the brush icon is.
Anonymous