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 ...Signal Box... .. (as used in MTS)...Total Rubbish... But Re-made in Sketchup... I suggest you find some corner and dump it there.... SUPER LOW POLY... Great gap filler for old Sidings... Size of model... less than 240 kbs.. You can View it in our Website Link Below...Just click on theSKETCHUP 8" Button and it will go to a Whole Host of Pages with All our Railway Models ... PLUS... along with The Plans... Full Size and ready to Print Off...