Dynamic Object Designer Custom Aircraft Library By Rafael Garcia Sanchez. The Dynamic Object Designer Custom Aircraft library is a collection of custom aircraft and miscellaneous objects converted with the DynKit utility. This file contains 50 different aircraft and they are released as part of the Dynamic Object Designer DOD v2.0 program. Each file contains all textures and dynamic flight models for all objects. The complete library has four files, 180 different aircraft, and this is part 1/4.