User can repurpose objects

Pros:
-user can change objects to something that will be used
-user can control what the design is
-user can change shape of material

Cons:
-user will need all materials they need
-user must know what the design is
-user may burn themselves when reshaping metal
-user must know construction of what they want

Weakness: improvising
User must work with what they have and know what they make