I think you should watch the teardown [1]. The aluminium is about 2mm thick and also helps to dissipate heat. Replacing it with plastic would save you a few g

I think you should watch the teardown [1]. The aluminium is about 2mm thick and also helps to dissipate heat. Replacing it with plastic would save you a few grams for a hotter unit. [1] https://www.ifixit.com/Device/Apple_Vision_Pro https://www.ifixit.com/Device/Apple_Vision_Pro