This model contains a lot of parts, so here is the breakdown of what is included. DragonLithophaneBox.3dm - Rhino5 working file for all parts except skins AllSkins.3dm - Rhino5 working file for optional color panes for Litho AllSkins.stl - Multiple meshes in a single STL file Box.stl - The main box which holds the LEDs, diffuser, and lithophane/frame assembly Frame.stl - The small frame which holds the lithophane Diffuser.stl - optional insert to diffuse LED light from the box DragonLithoLo.stl - The Lithophane in a reduced polycount. recommended. DragonLitho.stl - Higher Res mesh of above The skins are optional, and can be printed in different colors, to add a nice effect to the lithophane image. i attempted this but used a red that was too dark, so be careful. Model at this scale will be [(x144.42),( y277.80), (z45.6mm)]