Growable Graphics is a signage concept for temporary events such as exhibitions. The hexagon-shaped wood tiles are covered with local moss and lichen species and can get used for letters, numbers, arrows and other shapes. Improving the local biodiversity, the tiles live on the venue's rooftop over the year and get harvested for the events. Thanks to the wood's geometric shape, they can get arranged and combined in an endless variety. The tiles can get used over and over without creating any waste, while hopefully sucking in more carbon than their production would have emitted.