I like the sound of it, in theory someone with more experience would be able to make a better crude sword than someone who looked at it some two by fours and some scrap metal and went “MY GOD! I CAN MAKE A WEAPON!”
It’d also make use of higher skill levels if it were scaled, eg Crafting a crude sword takes what, 2 fabrication? You’d get a better crude sword at 8 than you would 4. A Nodachi? Better at 20 than 10? Get the idea?
[size=1pt]Now how to apply this to vehicles…[/size]