This 3D model was originally created with Sketchup 8 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 Primary metal construction planner. Inspired by the Grunau-9, but with variations in the constructive method. Only the wings and the empennage are advanced in their design. The fuselage is only for illustrative, but nothing realistic. Both the ribs as plating and the beams of tail planes are made of aluminum. The wing spars are molybdenum steel pipe and synthetic scrims.