Top (XY), Right (YZ), Front (ZX)
Turns on the base reference plane for reflectivity. Base reference planes are used as the primary input for the reflective planes.
Distance
Defines the offset distance from the base reference plane. Offset values must be greater than zero.
Flip
Reverses the offset distance direction of any active plane.
Transparency
Turns on transparency for all active reflective planes. The slider control defines the transparency value.