Karkulus invented the stereoscopic replicator. In order to get this invention, Lasteboros kidnapped two of Tintin's children, and Tintin broke into the bandit nest at the bottom of the lake alone. Karkulus invented the stereoscopic replicator. In order to get this invention, Lasteboros kidnapped two of Tintin's children, and Tintin broke into the bandit nest at the bottom of the lake alone.