How To Make A 3D Hologram With Stuff You Already Own Video Description

To build the projector, draw a small rhombus on the graph paper, use that template to cut out four rhombus shapes with the plastic from the CD case, tape the four plastic cut-outs together, place the 3D construction over your smartphone, load up a "hologram-specific video" (like this one ), press play  -- and voilĂ ! A homemade hologram! 

Videos for 8/27/2015