IBM System/360 and /370 mainframe computer console pushbutton insert

Here is my attempt at replicating the pushbutton insert for the IBM SYSTEM/360 and System/370 mainframe computers that were popular during the mid-1960s to late 1970s. These machines had operator consoles with numerous switches, lights and buttons ('blinkenlights') that all good computers had back then.

Instructions
A number of pre-generated insert STL files are provided that are from SYSTEM/360 however if you want to do your own custom lable then proceed as follows..
In the OpenSCAD parame