Many have rightly expressed concern about "paint control" when the car is painted in separate sections, versus the body-in-white. I'm willing to speculate this won't be a concern. Consider this image:
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The Unboxed parts can roll through a specialised paint shop, all lined up along a flat plane, like an identity parade, together. Probably held in a special frame from the interior sides. All painted in the same session. Those pieces all get attached to the same car. In conventional paint shops, we often see paint robots performing elaborate contortions to paint the various nooks & crannies of the BIW. This requires a lot of room... a lot of cubic volume. If the Unboxed car parts are on a relatively flat plane, the paint shop itself might be physically smaller, and require less programming and less elaborate paint robots. Undercoat dipping processes might take up less room. (not sure about the actual vagiaries of Tesla paint layers) But my key point is that if a factory paint shop can be optimised for Unboxed manufacture, it can be smaller, cheaper, waste less, and still produce a car that the casual onlooker has no idea about the revised processes.
Perhaps more than one Unboxed paint shop can be fitted into the space formerly occupied by one BIW paint shop. Meaning... higher production speed. All sorts of benefits
