Blinking Christmas Tree - Modified Battery Base

The Blinking Christmas tree is a great design that turned out awesome! While I was preparing to print the model, I found a nice set of pre-wired, battery-powered (3 x AA) Christmas led lights for US$4 which allowed me to sidestep the electrical work entirely--outside of some very minor soldering (had to remove 5 of the bulbs from their holders so that they would fit in the shallower holes of the tree where some were near a structural edge which meant the bulb base was too broad to fit snugly).