Here's the first "in progress" photo they shared with me. It's sorta like seeing a baby in the womb?
The four brown pieces are the floor of the oven. The interior dimensions will be 40" x 48" or 1,256 square inches, perfect for cooking a few pizzas at a time.
The round base underneath will support the oven dome.
Thanks to them for sharing the photos. More to come as things progress there in California and, eventually, on site here in Texas.