Aldyth loves that she has access to a lathe, and cool videos like this are proof. "Here's how to manually cut threads (thread turning, as many would call it) on a lathe," Aldyth told WooGlobe ...

Last year, we saw [How To Make Everything’s] take on [DaVinci’s] machine for cutting threads. However, they stopped short of the goal, which was making accurate metal screw threads. After much ...

At first glance, it seems a little flawed. Threads are hard to make by hand, and you can see that this thread-cutting machine needs two identical threads operating as a reference to make it work.