Yes, I thought about that scenario too, but there's additional considerations:
- we know that GF3 will be importing bty cells and building packs at some point quite soon. The LG China contract rumors and Panasonic GF1 announcement argue for that. These both imply that GF3 must be building their own packs early in the production process, much earlier than the completion date for this just started "phase 2" building
- we also know that GF1/Sparks disassembled and shipped their mk 1 bty pack building machine to GF3/Shanghai some time ago. Unless that machine is sitting in storage somewhere, its got to have been put into the existing structure. This argues that GF3 phase 1 will have the ability to assemble bty cells into packs
- if the new structure is designed to build bty cells rather than assemble bty packs, the need for transport from the "bty workshop" to the main building will be substanitally lessened. Indeed, a miniturized vacuum pipe tube might be all that is required to move bare 2170 cells between buildings at high speed without disrupting surface vehicle traffic
View attachment 460626
So, If LG starts shipping cells to GF3 before the "bty workshop" is complere, It'd say that's further evidence that the new structure will be the first "Megacube" intended to manufacture bty cells. I hope so, because with Semi imminent and the Pickup unveil due in November, Tesla is about to become extraordinarily 'cell hungry'. They'll need many such bty cell factories, and that right soon!
Cheers!