Edit: I found a promo video from CES that shows there is a hole on the side with the prongs so I added that.
I made a slight modification to Ben-3D's original models for this prop. I cut in a curve under the lattice to make it have a more even thickness across it (about 2 mm thick now). I also made the internal connector piece smaller to accommodate a place to hide wires inside it when I run LEDs.
When I printed it I mirrored the main piece across the horizontal so that the holes match up throughout.