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"... X-Over... SUPER LOW POLY... Note!.. This is Total Rubbish ... Meant only for filling in sidings %26 yards etc... Size of model... less than 250 kbs.