Draw a rectangular closed polyline from with options for starting at the center, three points, vertical, and rounded with arc or conic corners.

Draw a rectangle through three points.

Draw a rectangle from a center point and corner point.

Draw a rectangle with rounded corners.

Draw a rectangle with conic rounded corners.

Draw a rectangle perpendicular to the construction plane.

Rhinoceros 6 © 2010-2019 Robert McNeel & Associates. 21-Jun-2019