Uh- meshing with what you already have would be the difference :) For that, you don't lay them on the chart- how do you know your printer made things...
On an axle nut, I want neither unique nor cool. I want tried and true. Just put a nylock nut back on it. Cover it with something if you must make it...
I do this fairly regularly with acme stock, which has a bit of a flat at the crest of the thread. I just setup the lathe to cut the same pitch as the...