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 Eco ...Railway... Narrow Gauge...TALYLLYN" 2 nd Class ... SUPER LOW POLY... Size of model... less than 550 kbs.. Ideal for Low Memory Computers.. or Sidings Junk... Other Classes and Carriages will follow...