Produces 2 fully compressed blue belts of electric circuits in a 22x27 area. Consumes 2 belts of copper plates and slightly less than 2 full belts of iron plates.
I did not create this but liked it better than other posted designs, credit goes to: https://www.reddit.com/r/factorio/comments/6p9jnx/late_game_electric_circuit_setup_80s/