Display Trim Planes

This function is used in concert with the Restore Trim Planes function to toggle on or off the plane representation of the cutting plane. Normally when a cut trim plane is created it will show both the plane representation and the cut into the solid. If you want to only see the cut (not the plane representation) use this function to turn off/on the plane. Before using this function there has to be a pre-existing cut trim plane and it must be in a displayed state, see Restore Trim Planes.