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All of the design work for the prototyping is done on a computer. For the presentation, Khoshkhou made his own replica of the Darth Vader helmet, which he jokingly repeated that it was just for fun and he's not trying to violate any copyright laws.
Nevertheless, the details on the helmet looked extremely precise when printed. On the first try, they weren't precise enough as Khoshkhou said there were a few gaps he had to fix. But the second one worked, acting as a nice privacy shade for the BCC950 ConferenceCam.