3D, the company (DDD), has just made a partnership with Hasbro. They will have home printers so kids can make their own toys.
Do not under estimate kids. I used to play a computer city building game call SimCity. Later versions of the game allow the player to design their own buildings and allow it to be used in the game. It involves 3d graphics and jpeg decals that can be put on the building. The key to architecture is not only structure but the color and texture of the building making it appealing visually. Individual players can upload their building designs onto a website allowing other player to download it for their game. Several building on the site were well made and were done by 13 year old kids who had an early knack in building design and architectural appeal.