http://www.zwsoft.com/forum/viewthread.php?tid=1350 Q: In my drawing, there are a lot of entities, but some of them are duplicated, it is annoying, how can I delete them? A: There are two ways for you to get the function to do that. You can input _DELDUPL at the command line and delete the duplicate ones, in another way, you can find it from the menu: Express<Draw<Delete Duplicate Circles'Arcs'Lines zw_admin 2009-07-16 16:44:21