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 Coach Seats are by Concept Visual. First Class Seats (or buisness class) are by hansolo if I remember correctly. Re-drawn from 707's DC-8-60 by his own request. It also has two mirrors and several sinks.