lathe
We got a new Fake (pre-lit, three piece, quick assembling!) X-mas tree this year. When the time came to place the star on top, I discovered there was no mathematical way possible to make it stay put up top.
So I grabbed the calipers and a sheet of paper:
In 2006, I purchased, disassembled and refurbished a 1962 South Bend 10L lathe. I documented the process in the hopes someone might be interested. This is that story.