ppt prototype is a PSD layered file that is easy to modify.
The prototype is generally speaking the cell phone computer ipad these models, but in fact, it is more powerful than you can imagine. Prototype in addition to the display of electronic devices, but also includes a series of posters, document bags, logo stickers and other effects of the display program, the most central feature is that the prototype display material can be replaced by a key, so that the design of the compulsion to take off with a key.
PPT commonly used prototype types
For students who do not often use PS, the device will be exported to a transparent background of the PNG format is obviously more troublesome, as a lazy designer, I have been thirty commonly used prototype model into the PPT, download it can be used directly without obstacles.