You need to know a lot about how to use a CNC such as tooling selection, milling strategies, setup, work holding, etc. that dramatically affect the result. It's

You need to know a lot about how to use a CNC such as tooling selection, milling strategies, setup, work holding, etc. that dramatically affect the result. It's not as simple as 3d printing, but yes obviously it's more technical and less 'analog.'