For Origami Users

You can generate dielines in Origami for absolutely free. You still need a valid and up-to-date license, though. Click the "Dieline" icon in the toolbar, or use Illustrator → Dieline Creator menu item to start making a dieline:

Dieline generator in Origami software

In just a few clicks you can setup dieline dimensions, load it to Illustrator and get it folded in Origami. Give it a try right now!