Gather these parts
Glue hooks in from the back of the middle plate
Glue the back plate on slotting the hooks through as shown
Glue the top plate on the front making sure the edges line up
Glue the light fixture center into the slot next to the door
Glue the light fixture ring around the light center
Once painted glue in the black acrylic window inserts
Prime with Rust-o-leum Profesional Enamel flat black and paint as normal with hobby paints.