There's currently no name change for 3DM listed on the ASX site up until the 11th. So I'm guessing they aren't too sure themselves yet of the exact date of the merge or it may happen after the 11th if it's not tomorrow.
Their website has changed a little recently so hopefully it's very soon
http://www.asx.com.au/prices/company-name-and-asx-code-changes-2016.htm