Question: The Micro-DVI port, is a proprietary video output port found in the original MacBook Air, it is smaller than the Mini-DVI port used by MacBook, the original model used a combination of polycarbonate and fiberglass casing, which was modeled after what?
Sentence (from "MacBook"): The original model used a combination of polycarbonate and fiberglass casing which was modeled after the iBook G4.
Relevant evidence: Yes