With Labeler, you can create your own Label size inside an existing family template.
To do so:
- File/page setup
- Select a Family (ie: Avery Laser)
- Click on New
- Enter the name for your new label (any name you like)
- Make sure that you deselect the "Lock Edits" option and change the parameters you wish to:
- Number of labels across/down
- page margins
- Label size
- Space between labels