Somewhat related, I really like the NYCNC videos . <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;user&#x2F;saunixcomp" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;user&#x2F;saunixcomp</a>, showing CNC machining, CAD work - you can learn a lot from those videos!