Abstract: Combining transformers with campus architecture is a new advertising method. It proposes a method of transforming an architecture model  into a robot, and introduces an approach of applying mainfeatures, motion path and key frame to deal with 3D model transformation. The library model was disassembled into parts which could be bound with bone skeletons of the transformer. By specifying the motion path and setting key frames, the animating process of transformation from a library building to a robot can be achieved. Vray rendering software and Adobe Premiere software were used to render aftereffect process. Finally, an animation video of library transformation was generated. Thus, a library transformer character that can make different poses was created.
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Key words: character animation, transformer, motion path, key frame