Download CAD drawings for our Fiber and Copper products Search by part number or description such as CAT5, CAT6, OSP, etc. Sort by any of the table headers. Use the drop down menu to filter by product category and type. Fiber optic network design (896. Join the GrabCAD Community today to gain access and download!The GrabCAD Library offers millions of free CAD designs, CAD files, and 3D models. BIM, CAD, Visio and PDF Files for Copper & Fiber Optic Cabling, Racks & Cabinets Be among the first to receive important product updates, insights and news.