You can create 3D mapping on a wall using software that runs on a standard laptop. I was helped by this information at one time https://pogumax.com/projection-mapping/.
Using your computer mouse, you trace the contours of the wall you want to make a projection on and the contours of the objects to interact with (pictures, interior details, arches, etc.), then start the projection itself and start displaying the material.
In most cases, mount the projector on a ceiling mount (bracket) to avoid shadows from people or other objects. For outdoor events, the projector can also be placed on a tripod, projector stand, table, or floor.
