Overview
Use the Rotation Effect modifier to rotate a layer’s content while keeping its frame in place. The Rotation Effect modifier comes with an Angle and Anchor property that you can adjust.
The Angle Property
The Angle property sets the angle at which a layer will be rotated. You can rotate the layer by Degree or by Radian.
The Anchor Property
Use the Anchor property to set a unit point that the layer will rotate at. The default value is Center.