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 At Last it's Here!.... Our Realistic Eco Curved Rail Track! ... SUPER LOW POLY... With Real Worn out Old Wooden Split Sleepers....Great for old Sidings... use it by the mile... they are all in the components... Size of model... less than 453 kbs.. Yes only!... 453 K Bytes Other Track items will follow.... Note! Rail Gauge has now been amended... Why not checkout and join my Sketchup8 ... Forum8 %26 Gallery8 on the Website below...