I reject the notion that copyright is necessary, what's necessary is my personal ability to use my devices without random companies being able to use the state to punish me for using an abstract concept that may or may not resemble one that they at some point also used. If you would like to make money from your art there are options such as commisions, but the onus is on you to find a business model that works, it is not for the government to be creating artificial monopolies to facilitate a business model that is incompatible with reality.