Created in sleek black calfskin leather with details in Jet Hematite crystal, it offers one card holder and two flat pockets. This darkly sophisticated accessory is especially designed for men.

光滑的黑色小牛皮材质、细致的黑矿色水晶，以及一个名片隔层与两个平口袋的设计，这是一款专为男士们而设，深邃迷人的讲究配饰。

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Bre Pettis showed us the Square Helper, a credit card iPad accessory that one 3D printer owner is selling -- an example of the "desktop industrial revolution, " the MakerBot CEO loves to talk about.

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