Let's say that you want a house, and garden renovation...
A 3D model of your property, might be a good place to start...
And while a 3d model in a computer, might be enough for you...
a 3d printed scale miniature, might be of use, in order to communicate your ideas with your wife and son...
The point of this video was, that there is life after thingiverse. Why settle for less, when there is so much more within your grasp...