３D印刷可能なハンドル
https://cad.onshape.com/documents/3a513260aa191bf18016ce8c/w/f1501222d6c01e135070b0af/e/eb95f48f505d48de2a4e4acd?renderMode=0&uiState=61b4e5b42d93f650181e98f1
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