There is also a flip side to this: there is massive contract manufacturing capacity in China due to Apple's investment, and it isn't always used 100%. This mean

There is also a flip side to this: there is massive contract manufacturing capacity in China due to Apple's investment, and it isn't always used 100%. This means you can book spare machine time to CNC machine your niche aluminum product, like the FormD [0] guys did with the T1. It will not be a high priority for the factory, but if you can wait a little this it is a possibility. [0] https://formdworks.com/collections/t1-1 https://formdworks.com/collections/t1-1