Disclosed is a shielding system for customized shielding of a patient or an operator from X-rays generated across a patient-supporting table. The shielding system includes a foundational block which is mounted on the patient-supporting table. The shielding system has a rail with proximal, intermediate and distal sections. The proximal section of the rail is twistable within an aperture of the foundational block and is arcuately movable in relation to patient-supporting table. One or more protective curtains are suspended from the rail.