This was a shelf build for the shop (Corvette Tech) so we can have a durable place to keep a lot of things off the ground and give us more space to work. This was achieved with 2x12x8 (4), 2x12x10 (1), 2x12x12 (1), 4x4x8 (2), 2x6x6 (1) (as an I-beam) and 3" deckmate wood screws. The 4x4x8 were set in the rafters so we could affix the 2x12 and make a solid foundation.