3 D 技術中國漢代已經出現.3 D technology already  existed in the Han Dynasty

中國漢代墓穴磚塊(Royal Ontario Museum收藏)上的雕琢已經出現3 D技術. 3 D technology already existed in the Han Dynasty.  3 D images appeared on the bricks of tombs. Samples of 3 D images of bricks in this post is a collection of Royal Ontario Museum, Canada.