Leonardo da Vinci designed a printing press using movable type and a screw press.
Leonardo’s notes include proposals for improving printing equipment, including mechanisms that could help align type and operate the press more efficiently. His designs reflect the technical environment created by Johannes Gutenberg’s mid-15th-century printing developments. By Leonardo’s lifetime, printing with movable metal type was already spreading rapidly through Europe.
The proposed machine was not a replacement for Gutenberg’s invention. Instead, Leonardo explored ways to make the process more systematic and productive through mechanical adjustments. His interest covered type arrangement, pressure, and the repeated actions needed to produce consistent impressions.
Leonardo’s printing ideas are sometimes mistaken for the invention of movable type itself. Gutenberg is conventionally credited with developing the influential European movable-type printing system, while Leonardo’s surviving work represents later engineering study and proposed improvements.