Simply hang it from a bar or truss and lightly tension at the floor and sides to make a smooth surface.
How many projectors do I need, and which projectors work?
You only need one projector to make a basic hologram, however you may choose to add devices to make the image larger or add brightness or a backup into the mix. We have tested LCD and DLP technologies and the brightness needs to be specified according to lighting conditions and size of images. We can help train you on this.