A three dimensional truck or SUV cab marker light apparatus comprising a container having a right circular cylinder structure with a shape determined by the number of walls used during assembly, each wall being formed from a generally flat sheet of a rigid material and a transparent material, the walls being assembled to form a container enclosing an interior region for a light-transmission source and having a lower surface for attachment to a cab roof without drilling holes into the cab roof and without installing wires through the cab roof.