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Use Symmetry tools to draw one side of something and have Sketchbook automatically mirror it and draw the other side. Create flowers, mandalas, or other symmetrical objects.
You can set whether strokes can cross over lines of symmetry, move the line of symmetry around the canvas, and also lock the manipulators in place to avoid inadvertently moving your symmetry guides.
The types of symmetry
Horizontal
Horizontal symmetry 
mirrors your drawing across the line of symmetry (Y-axis).
Vertical
Vertical Symmetry 
reflects your drawing above or below the line of symmetry (X-axis).
Vertical and Horizontal
You can combine the vertical and horizontal symmetry tools. Tap both Vertical Symmetry and Horizontal Symmetry. Both icons will be blue, indicating both tools are active at the same time.
Free Symmetry
Use 
when you want to create mirrored symmetry on an axis that is not X or Y. The free symmetry tool can be freely rotated to the angle you need.
Radial
Use 
with up to 16 sectors, to create patterns such as mandalas. To set the number of radial segments, either tap-drag the slider or enter a numeric value in the option box in the symmetry sub-toolbar.
How to move the line of symmetry
By default the line of symmetry appears in the center of the canvas, but it can be moved. Tap-drag the manipulator 
in the center to drag and reposition the center point and line of symmetry. Double-tap the manipulator to reset the line of symmetry to the center of the canvas.
How to rotate the axis of symmetry (Radial and Free Symmetry)
Tap-drag the rotation manipulator 
to rotate the axis of symmetry.
Accessing symmetry in Sketchbook Pro for desktop
In the main toolbar, tap to access the Symmetry tools
- Horizontal symmetry
- Vertical symmetry
- Free symmetry
- Radial symmetry
- Number or radial symmetry sectors
- Extend/stop strokes at center line
- Lock/unlock symmetry lines
- Show/hide symmetry lines
Accessing symmetry in Sketchbook for mobile devices
On a tablet:
On a handheld:
