CNC plasma cutter. By Jerry Walker.
35:38 video:
https://www.youtube.com/watch?v=E5ygWLKWmPQ
26:45 video:
https://www.youtube.com/watch?v=UIgKPbMrrVo
18:18 video:
https://www.youtube.com/watch?v=SMhrZh73yVw
34:53 video:
https://www.youtube.com/watch?v=Xs_z07YgK1g
