I will admit that I rather wish I had the skills and knowledge necessary to do something like that. Amazing.
Easily acquired. Your new hobby awaits you.
I wouldn't exactly say those are readily available parts. The guy needed all sorts of metal working tools and a kiln to melt the shovel down.
Everything he used can be found in a home workshop, especially the workshop of someone with metalworking experience. I'd guess you'd have easier time finding these tools than a home CNC mill that can handle Al.