Summary

fix vintage door handle

Replace old door handles. It is not worth replacing old door handles and door locks with new door handles and door locks. You can print this replacement. For interior doors, it is definitely enough.

The screw may need to be reduced to 95%. After testing, 95% can be screwed in more smoothly.

替换老式门把手，老房子的门，不值得去换新的门把手门锁，可以打印这个替换，对于室内门，绝对够用了。

螺丝可能需要缩小到95%，经过测试，95%可以更顺滑的拧入