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 Cisco GSR 12008 Router. RSP-1, CSC, GE, 4 x OC-3, 4 x oc12and 6 x DS line cards.. and some blanks.