Use the PURGE command regularly to remove unused blocks and layers. This keeps your object count well below the 20,000 threshold for sorting.
: Type PLINEGEN into the command line. Set it to 0 (to calculate linetypes from vertex to vertex) or 1 (to calculate linetypes across the entire polyline). 3. Viewres Settings ( VIEWRES ) autocad please enter an integer from 1 to 20000