Secret Message Decoder

Secret Message Decoder – 3D Printed Color Filter Magnifier This 3D printing model is a specially designed decoder magnifier for secret messages. By strategically using red filament in the first layer, the magnifier acts as a color filter and allows hidden messages to be revealed. How it works A message is written with a blue pen and then completely covered with red scribbles. To the naked eye, the text becomes barely readable. The red filter surface of the magnifier significantly reduces the visibility of the red color, while the blue text remains visible – allowing the hidden message to be decoded. Word template for secret messages A Word template (included in the zip file, or alternatively as a PDF) is also available for download. It contains two pages: Page 1: The actual secret message, which can be customized and replaced Page 2: Random letters or patterns, printed in red Important printing note: For best readability, it is recommended to print the secret message first, and then pr