If I add all that href https blah blah stuff to the link, then I can put the link to this cute video here.
But if I just shove the address without any hrefery, I get the video right here:
A straight rod glides through a curved hole in this 3D print. This device is based on the hyperboloid, the 3D ruled surface traced by an offset rotating diagonal line https://t.co/wOsB141xGn pic.twitter.com/9EjC30KGKK
— Massimo (@Rainmaker1973) October 14, 2019
Blog and learn. I just shoved up the link, and there it was! Here!
This is also fun. Although, it feels so fun it could be fake.