Imaginehavinganidea,drawingitonpaper,bringingittoastore...
問題詳情：Imaginehavinganidea,drawingitonpaper,bringingittoastoreandseeingitturnedintoaphysicalobject.Thisisnowpossiblewiththehelpof3Dprinters.Suchmachineswereonceusedjustbyuniversitiesandbigcompanies，bu...