During the machining, the support structures were tapped by Andrea and Dan:
In order to begin the machining of the rings, it was suggested that we drill and tap 4 holes into each of the three rings and attach them to the acrylic jig below.this ensures that he rings will not move during machining.
Machining would continue until roughly 7 PM, at which point, the first ring was finished and the inside of the second ring was in progress:
