Here's another DIY machine that belongs in the Hall of Fame. I felt bad leaving this one out, even though I am not suggesting that you try to replicate it.
It just adds to the comparison of DIY machines that can cut aluminum well.
Made by stef110, his build thread is here:
https://www.cnczone.com/forums/verti...rum-posts.html
https://www.youtube.com/watch?v=9tR8xnXpEs8