Rectangle Tool
1.Long press or right-click on the rectangle tool to reveal additional tools
2.CTRL+Z to delete the last action
3.Hold the shift key to draw a square
4.Hold the alt key to draw shapes from the center outwards
5.Hold both the shift and alt keys to draw a square from the center
Rounded Rectangle Tool: The corners of the rectangle are rounded
The size of the rounded corners can be changed using the keyboard arrow keys. Pressing up increases the roundness, down decreases it, left makes it more square, and right makes it more rounded
Ellipse Tool
To draw a perfect circle, hold the shift key
Polygon Tool
During drawing, keep the mouse steady, use the keyboard arrow keys to increase the number of sides by pressing up, and decrease by pressing down
Star Tool
Press up to increase the number of points, and down to decrease
All of the above tools can be used by left-clicking on the canvas to draw shapes with fixed values, for example:
