A three-legged stool from construction lumber.

This was inspired by a Rex Kruger video where he makes a stool from a single 2x4, and by Chris Schwarz's staked high stool.
Here's the video:
https://www.youtube.com/watch?v=FzZdFCSet48
And Lost Art Press seems to be down at the moment, but here's the link anyway:
https://blog.lostartpress.com/2017/04/11/download-plans-for-the-staked-high-stool/