Awesome mod idea. Better crafting is always more than welcome.
Ons question/suggestion, though: Have you thought about tying some of the more powerful crafting recipes to a new skill? Perhaps "tinkering" or something along the lines.
The skill itself would govern the recipes you have access to by walling them off behind the needed skill level and also potentially unlocking some crafting-related traits.
It'd allow for even more robust and useful crafting system without that "free for all" style, which allows you to make anything you wish as long as you google the recipe.
Also, as a sidenote, certain recipes could also be purchasable from merchants or looted, either as a way to somewhat circumvent the need for higher crafting skill or as a way of putting a completely unique recipes that would ONLY be accessible via that one particular merchant or found in that one specific place/chest/enemy corpse.
