Makes the selected face(s) parallel to the target face and applies a user-defined offset distance.
The offset relationship is persisted by default. You can turn the persist option off while in the command.
The seed and target faces must have opposite direction face normals. If the face normals are in the same direction, an error message appears. Error: "Paired faces must have opposite direction face normals."
You can choose the offset command first. Then select the seed face(s) and target face.
You can also create the seed select set first and then choose the offset command. Then select the target face.