Hologram -

On graph paper, draw a trapezoid with these dimensions for a standard phone: Base 6 cm, Top 1 cm, Height 3.5 cm.

Set your phone screen brightness to 100%. Hologram

This project uses a transparent plastic pyramid to reflect images from a smartphone, creating the illusion of a 3D image floating in the air. On graph paper, draw a trapezoid with these

Thin, rigid clear plastic from old packaging works best. On graph paper