Quote Originally Posted by Gorvi View Post

I don't have any crafts at endgame yet, but if you want to progress I believe you do, yes. Left side gear anyway (other than the belt?), right side gear should be the same for the most part (aside from your offhand of course).

This is true until you get into the level 70 or 60 artisan's and forager's sets, which are once again for all classes.