Designing by corrosion (7)
I believe the answer is:
etching
(Other definitions for etching that I've seen before include "craftwork" , "Deep print" , "graven image" , "Eating away; corroding" , "making an impression" .)
I believe the answer is:
etching
(Other definitions for etching that I've seen before include "craftwork" , "Deep print" , "graven image" , "Eating away; corroding" , "making an impression" .)