About this 3D model

可以调解大小的手表底座，调解直径55-75mm，基本男女都覆盖了。螺杆两个版本花面加长版，注意打印方式，螺纹向上。 Can adjust the size of the watch base, mediation diameter 55-75mm, basic men and women are covered. Two versions of the screw face lengthened version, pay attention to the printing method, thread up.