Modular building company Ryterna modul recently announced the winners of their Architectural Challenge 2018 competition. Participants were tasked with designing a cozy, functional, modular 269-square-foot tiny house with a living area, sleeping area, kitchen, and bathroom. They received 150 projects from designers in 88 countries and narrowed the field down to three winners and an honorable mention. Abdolrahman Kadkhodasalehi of Iran took first place with his Wave House.