Simple DIY glider plane. Three variations can be found.. Norththrop, SG38 (US) and Zogling (German).
My boss at the time gave it to me to model it up, I not sure he ever got round to flying it.
Started modelling this in Mid 2010, using the geometry drawings from a guy in USA somewhere. The frame and components are accurate, although the wings aren't... Lost the drawings for those unfortunately.