Lithophane Structure for Light With Single 10mm Hole Mount

I used the Creative Hobbies ML2-B6 Small Christmas Tree Wiring Kit from the following link and modified the base of the source object to mount the 10mm threaded rod using a panel nut (but I didn't have one when I was ready to assemble the cube so I just epoxied the 10mm threaded rod in place after cutting it in half).

http://www.amazon.com/Creative-Hobbies%C2%AE-ML2-B6-Christmas-Lighting/dp/B015EQEXS4

I used Cura to generate the lithophanes... I printed 5 panels at 132mmx132mmx3mm (130mm s