For example, in kindergartens, ordinary frames are hung on the walls, in which there is a projection of teaching material on molding, drawing, construction, etc. With its help, children can see in real time how a certain object is created from the initial elements, after small manipulations. This type of learning is more visual and easy to digest compared with a simple presentation on paper with pictures.
Compared to displaying a video on a TV or monitor, 3D mapping also wins due to its scale (it can be transmitted not in a frame, but simply on the wall, increasing the surface area to a size of at least 5 by 5 meters) and safety for the eyes.
By analogy with kindergartens, schools and universities can also show some material on the creation of a particular object by using the wall as a huge screen (in this case is a huge saving of money since there is no need to buy a huge TV).
As for the promotional use of projections on the wall, you can go back to cafes, restaurants, banquet halls and other institutions with large crowds of people.
With the help of 3D projection on the wall you can organize a simple display of the entire list of your menu, which looks much more advantageous in comparison with the printed menu, as well as show the process of cooking a particular dish.