Thanks for the prompt reply.
I know how to deselect unwanted elements at print time, too, but I occassionally forget to do it--which wastes a label by printing elements that I didn't want in the first place. For that reason, I'd like to create templates comprising only one or two disks but no case-insert elements.
I've started to think that the functionality to build a template from scratch is not there. But it seems like such a necessary...