iPhone 3GSのDocをほぼ0円でDIY

Feature - Make your own Cardboard iPhone Dock - Full Instructions | Geeky Gadgets

Initially we weren't sure if cardboard would be strong enough to use as an iPhone dock, but after playing about with various designs and thickness of cardboard we found out it works really well

作り方のムービーはこちら

型紙はこちら

carboard-iphone-dock2.jpg (JPEG Image, 400x533 pixels)

カラフルな樹脂版で作ったりしても面白そうですね。