These fans spin rapidly to create 3D graphics that "float" in the air.

These fans spin rapidly to create 3D graphics that "float" in the air.
These LED fan displays can create 3D holograms as you wish. They can all be controlled via WiFi in the accompanying app, where you can upload projected content as well.
They were developed by Chinese company Enoptech, which specializes in multimedia display products and offers on-demand services for both leisure and business purposes.