Proof of Concept is an exhibition that aims to spotlight self-initiated projects, unreleased products and designs in the production stage during 3 Days of Design.

The 2025 edition is anchored by the theme Connect and showcases work from a range of multidisciplinary studios, offering a glimpse into the design development process.

Proof of Concept takes place from 18 to 20 June 2025 at Strandgade 22, 1401 Copenhagen, Denmark.