It performs two key functions: hatching and wallpaper.
DrawSVG has a default palette of patterns.
To use pattern :
Apply a pattern of the default palette to the selected shape
Customize the pattern for the selected shape with a transformation
Edit patterns definitions
Draw and define a new one
To apply a pattern, select the shape and choose the pattern from the fill style menu.
To choose the pattern, two other tools can be used :
The pattern definition tool
Or the pattern chooser tool
A pattern can be applied also to a line with the stroke style menu.
To customize the pattern of a shape, use the transform pattern editor from the floating menu :
Apply the transformation or close the panel without modification.
Customization by extension has the advantage of minimizing the volume and continue to benefit from changes made to the basic pattern.
To edit the pattern definition of a shape, select the shape and use the pattern definition tool from the fill style menu.
The tool allows to edit/copy/extends/delete a pattern definition,
When opened, the panel is showing the pattern of the selected shape. You can change it's properties and apply then, or select another pattern and apply it to the shape.
To define a new pattern, draw elements of it's graphic, select them and use the pattern definition tool from the selection menu.
The pattern is defined with the selection :
Then you can change each properties :