A two-part "lantern" style light box to hold flat framed lithophane prints (see the lithophanemaker website), each measuring 130mm in height x 100mm in width, with an inclusive 7.5mm frame. The printed panes can be slid in and out by removing the top cap. There is a hole in the base to allow for external power for light source and a small hole in the lid to allow for attachment of a knob if required. NOTE: The frame slot has only +0.5mm tolerance. Dependent on the accuracy of the printer and the material used, you may wish to print the lithophane frame slightly smaller than the standard 7.5mm to avoid an interference fit.