Onshape에서 만들었습니다 - 모형은 이렇습니다:https://cad.onshape.com/documents/f4fc462cbce27d8bfdbc5d95/w/089a8c7db69016406335e7b5/e/4840f37618a57e5a18bac50f?renderMode=0&uiState=655c6faad7d2f578d3ef21a7