Open up your skills menu and you will see the wrench looking icon which is for crafting. All you need to do now is get some common craft rec's and once you doubleclick them and learn them you can craft them via that craft icon.
If I may, is there a way to lvl up the cap of what you can make in craft or is it like the dwarfs where you have to lvl up to gain access to the new caft lvls?