Based on the fly through video published in spring 2022
Body
Inner body panels arrive pre-cut to rough shape at 0:20
They are shown to be stamped to a 3d shape, and the extra is cut off at 0:23
The front and rear castings are cast from molten aluminum alloy at 0:52
It is not shown but the inner body panels and the castings are welded together, also some roof beams
Outer body panels are welded on at 1:14
Doors and rear and front hoods are attached at 1:34
Painting
The body is dipped into various liquids, sprayed and painted at 1:42
Skateboard
The skateboard is attached from below at 2:06
The skateboard includes the battery, motors and suspension
Before this the doors and hoods are removed
Doors are furnished at 2:15
Hood furnishing is not shown, neither is door and hood attachment
Interior finishing is not shown
Final checks at 2:20
At this point the car is finished with ready hoods and doors already attached and interior.