Korry 3d Printed files to build a realistic Korry switch with minimal work. Buy these types of locking push button switch : https://www.aliexpress.com/item/32839637634.html?spm=a2g0s.9042311.0.0.3c024c4dJMrLOx&fbclid=IwAR3cawglzqd2df3IQUxFZ3TlJS3zybZgY6pHIt8DnwsMfrK__XJO_nEvCDc

The switch locks itself on the inner part of the korry. I would advise to put one led and bend it so it lays parallel to the bottom, then fill the cavity with hot glue to diffract the light.