How to make herringbone gear in autocad
2 Answers
Here is complete video showing each step to model 3d herringbone gear with autocad,
https://www.youtube.com/watch?v=p7nzrRZcR1s
you can find lots more similar tutorials here
http://www.sourcecad.blogspot.com
Answered with a tutorial: https://grabcad.com/tutorials/how-to-make-herringbone-gear-in-autocad