Any user can create a new blueprint. Once created, you can:
More info about the Anatomy of a blueprint here
More about the blueprint Definition here
Without a doubt, the fastest and easiest way to get started customizing your blueprints is by finding an existing one that covers most of what you're looking for, clone it to make it your own, and edit whatever aspects of it you need.
Some basics about a cloned blueprint:
More info about the Public and Private blueprints here
More about the installation of a blueprint here
Every change you make to a blueprint process is automatically saved as a draft version.
Once you're happy with your blueprint, you can make it available by publishing it.
Once a blueprint is published it can be installed in any of your Teams or on entire Organizations.