Honda has a number of automotive designs released by the owners of a 3d printer can be used to make 3d models. In addition, it should be possible for users to itself to make adjustments to the models.
Users can for each of the listed on the website are models download a file containing instructions for a 3d printer. Honda encourages interested parties to self varieties. Might want to the manufacturer this ideas for new autodesigns. It is also possible to have on the website a 3d model of the whole concept car.