You can create planes using various methods.
Creating a Plane Offset From another Plane Creating a Plane Parallel to a Plane and through a Point Creating a Plane Normal to another Plane Creating a Plane Through Three Points Creating a Plane Through Two Lines Creating a Plane Through a Point and a Line Creating a Plane Through a Planar Curve Creating a Plane Normal to a Curve Creating a Plane Tangent to a Surface Creating a Plane Using an Equation Creating a Mean Plane Through Points Creating a Plane Between two Planes