Hi Len,
You mean clone?
Yes. You do this in Content Manager.
1) Find the non-built-in asset you want.
2) Highlight it.
3) Press CTRL+D (D at the same time as the CTRL key).
This will create something called New Asset.
4) Change the filter to Open For edit.
You will see New Asset open for edit.
5) Right-click on this asset.
6) Choose Open asset in Explorer
7) search for the config.txt file
8) Edit the config.txt file to change the Username to what you want to call it. Save and close it.
9) Make other changes you want to texture files.
10) Close the Windows Explorer folder.
11) Right click on "new asset".
12) Choose Submit.
13) Check for faulty assets to ensure that there are none.
14) If all set, enjoy your new asset.