This was exactly what I was thinking as well. To take the analogy further, computers are still used to a ridiculously large extent to prepare paper documents, a

This was exactly what I was thinking as well. To take the analogy further, computers are still used to a ridiculously large extent to prepare paper documents, and the software has become relatively easy to use with a little training. Similarly, I believe, there could be 3d-shape editors for regular people that make the design process for certain kinds of objects easy (such as, connectors, lego-like blocks etc.)