MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
The white parts are the wing_left_right and the wing_servo_right (left)
The rudder apendix enlarges the rudder (elevon) between the rudder horn and the middle wing.
BTW, this is not a plane for beginners.
So if you have not enough experience piloting fast planes you should ask somebody who has ;-)