Create panel > Shapes > Splines > Object Type rollout > Rectangle
Create menu > Shapes > Rectangle
Use Rectangle to create square and rectangular splines.
Examples of rectangles
Procedure
To create a rectangle:
Go to the Create panel and choose Shapes.
Click Rectangle.
Choose a creation method.
Drag in a viewport to create a rectangle.
Optionally, press CTRL while dragging to constrain the spline to a square.
Interface
Mesh Settings and Interpolation rollouts
All spline-based shapes share these parameters. See Splines for an explanation of these parameters.
Creation Method rollout
The Rectangle shape uses the standard creation methods of Center or Edge. Most spline-based shapes share the same Creation Method parameters. See Splines for an explanation of these parameters.
Parameters rollout
Once you have created a rectangle, you can make changes using the following parameters:
Length: Specifies the size of the rectangle along the local Y axis.
Width: Specifies the size of the rectangle along the local X axis.
Corner Radius: Creates rounded corners. When set to 0, the rectangle contains 90-degree corners.