Buy four blade fan and 3d holographic blades The illusion of three-dimensional objects floating in mid-air is created by a holographic fan. The fast-spinning fan becomes almost undetectable to the human eye, creating a see-through backdrop for the projected item. The fans are mostly utilised for advertising and marketing at shopping malls, airports, and other public locations.
The holograms you've seen are closer than you think. They're possibly right now in your back pocket. A good example is your credit card or driver's license.