thinking about my favorite "customizable tool" mod for minecraft, Tetra
basically the way it works regarding how you make tools with it is you take a vanilla tool of a given type (pickaxes, axes, and hoes for double-headed tools vs shovels for single-headed tools for example) and you just. add and replace parts. you need certain varieties of tools to work certain materials to use them to make other tools (axes for wood, blades for cloth and fiber, hammers for metal, gemstone and bone) and their tool level determines what sort of materials you can work with them
it's a very nice mod and i really like how it works
