iBook G4s had too and bottom panels that could have their paint stripped to be transparent. The earliest iBooks were translucent. Maybe a hunk of machined gorilla glass?
There are translucent lower receivers for AR-15s that are both light and durable[0]. Perhaps there is still hope.
There are translucent lower receivers for AR-15s that are both light and durable[0]. Perhaps there is still hope.
0 - https://www.tnarmsco.com/store/tnarms15/tnarms15-clear/