Board Thread:Administrator's Noticeboard/@comment-24067128-20131109025449/@comment-1250011-20131109035849

The Tinkerer's Workshop page had not been heavily updated since the 1.2 update (which added a LOT of recipes for that station), so it will likely be a little bare until some users decide to continue adding recipes. Instead of just pointing it out, you are free to add any missing recipes yourself.