How to make a 3D hologram using a smartphone and a plastic bottle

It’s worth it to independently verify the 3D hologram using a smartphone and a plastic bottle. To create a cone, we need a transparent PET or a box from a CD. Flat plastic is preferable because the picture will be sharper, but it will be more difficult to give the desired shape due to fragility.

According to the drawing, we make four identical trapeziums, fasten them together, the method can be seen in the video. Download a special video and enjoy. Remember to turn off the lights.