Automatic Assembly of Toy Blocks from Various 3D Models

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  • 多様な 3D モデルに対応可能なブロック玩具自動組立

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<p>3D printers can easily create complex shapes and now are becoming popular due to their price dropping. Since various shapes can be generated by assembling block parts like LEGO, a block type 3D printer can also be realized. We study a robot system “Block Printing System” that automatically performs assembly of blocks from 3D CAD models. In our previous study, a technique to decide the order of block placement automatically and to change of pushing force during assembly based on the evaluation of the strength of assembled blocks was proposed. In this study, we add two functions to this system so that it can be able to deal with more various models. First, we realize color printing. Secondly, we propose a method to deal with unprintable shapes. It is confirmed that these functions are useful by assembly experiments in which some models that were unprintable before can be generated by an industrial robot.</p>

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