http://www.zwsoft.com/forum/viewthread.php?tid=2373 I have just downloaded and tried ZWCAD+, trying it instead of my normal program. How do I change the background colours in both Model and Paper space. ralph5020 2012-08-10 18:49:45 http://www.zwsoft.com/forum/viewthread.php?tid=2373&pid=15727 Hello, you can change it in Options -> Display -> Color huangy8949 2012-08-13 17:42:10