Greenfield
Adventurer
Um, pardon me for asking, but where did this idea come from, that spells like Fabricate can't produce masterwork items? The Wish, Limited Wish, Miracle, Major Creation and/or True Creation spells can't create masterwork items?But could you accept a guy who can create a true masterwork with a wave of his hand?
To make crafting a necessary part of the world you need only choose to make it so. Magic might be able to create items of ordinary utility, but it cannot create a masterwork. Also, in order to enchant an item to create a Magic Item, it must first be a masterwork of its type. Earlier versions of D&D specified things like the item must be 'flawless', prior to being enchanted.
In this way a powerful user of magic could create all of the mundane items he chooses to, but couldn't create a true Magic Item without the aid of a master craftsman. Your Wizard wants to create a magic sword? He'll need a master swordsmith to work with him. This also has the ancillary benefit of helping to control magic in the campaign.
Fabricate says that you have to make the craft rolls, and inherently denies you circumstance bonuses (or penalties) for tools, work shops, assistants to Aid Another, etc, but as far as I know it never puts any restrictions on the quality of the items you can make.
Wish can explicitly create items up to 25 k in value, and can create magic items as well. Read the spell.
If there's something in the rules that I missed, please enlighten me. (Note that I'm familiar with D&D rules all the way back to three paperbound books, but my D&D 4e and Pathfinder knowledge is a bit weak. 5e is still evolving.)
Perhaps it's a house rule of yours?