The form of advertising we use most often is a poster. We can encounter it in urban space, public transport and even in buildings. That is why today we would like to share with you a free 18×24 Grid Poster Mockup designed by Poster Mockup. Very elegant, in high quality and fully editable through intelligent objects mockup, is presented in a fashionable composition with a shift that creates a grid. With this amazing layout you can make your brand an eye-catcher.