X-Plane R2 Scenery Library. The R2 Scenery library is an object library used by many custom X-Plane sceneries. The library contains many objects (European houses, hangars, vehicles, trees, etc). The download link takes you to the R2 Scenery page where you can download the library. Unzip the downloaded file and place the created folder into your Custom Scenery folder. By R2 Scenery.