Giant Oak Tree. Another model created in Google SketchUp and exported to Trainz with RubyTMIX. This is an oversized item intended for use with garden railway routes. The original model was found on 3dwarehouse.sketchup.com and brought into Trainz using the RubyTMIX tool after some basic modifications (enlargement mostly) but otherwise unchanged. Original model Chene by KangaroOz 3D