| 摘要 |
PURPOSE: Provided is a formative art to fold and unfold finger joints by the difference of air compression. CONSTITUTION: The formative art comprises a main body(60) having a predetermined shape; a separate partition or an air supplying pipe(50) to move a part of the main body(60); and air supplying parts(10,10-1) to supply air to the separate partition or the air supplying pipe(50). The air supplying parts(10,10-1) include a motor and a fan. The main body(60) is divided into a pillar part(20), a supplementary pillar part(30) and a round-shaped supplementary pillar part. Otherwise, an air supplying part is installed to supply air to the main pillar part and the supplementary pillar part. A selecting valve is formed to selectively supply air to a front part.
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