In 1970 he started his own animation studio, PennFilm Studio AB situated in Hököpinge, and has, as of 2009, directed eight feature-length films and several shorts, including Sagan om Karl-Bertil Jonssons julafton which is shown on television every Christmas Eve in Sweden, Norway and Finland.
•
His personal dream project, which has been in development since 1992, is the feature film Hoffmanns ögon ("Hoffmann's eyes"), which is based on Jacques Offenbach's opera The Tales of Hoffmann.