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 Catalyst 6506 e series Chassis with 2 VS supervisors, 2 48 port 10/100/1000 ethernet line cards, 2 x 4 10GE line cards and dual power supplies. Chassis, Fan Tray, Power Supplies and Line cards are all seperate groups so you can explode the component and move them around easily. All to scale.