I have found that no matter how well you believe you have dimensioned a part, there is still something missing. A machinist might want an angle measured a different way or might want a different dimension all together from what you put down.
But my method has been stated above. Start with...
I went to a Technical school for drafting in the mid 80's and had 4 years in high school. We leanred pencil drafting and CAD. My first three jobs were about 60/40 pencil/CAD.
After I spent a few years in the Navy and was taking clases ar Bradley in Peoria, I was shocked that none of the...