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|      \\   / _ \\  |      \\  |  ___||  /  ___|| 
|  --  //  | / \ || |  --  //  | ||__   | // __   
|  --  \\  | \_/ || |  --  \\  | ||__   | \\_\ || 
|______//   \___//  |______//  |_____||  \____//  
`------`    `---`   `------`   `-----`    `---`

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發送短信 : 3D-PRINTED SPIRAL POLYMER FORMWORK FOR MORE EFFICIENT DEMOULDING FROM CONCRETE