我将这个链接
https://www.thingiverse.com/thing:4898043
中的模型添加到了键帽上，并且修改了转轴部分，扩大了转轴的孔，并将打印的轴替换成了1mm不锈钢轴（你可以替换为任何1mm直径的材质）。

I added this link
https://www.thingiverse.com/thing:4898043
The model in it was added to the keycaps, and modified the spindle section by enlarging the hole for the spindle and replacing the printed shaft with a 1mm stainless steel shaft (you can replace it with any 1mm diameter material).