When you first started configuring your wp2print site, you were issued temporary URLs for accessing your wp2print site. The temporary URL you use to access the site would be something like this:
http://mydomain.printsafe.net/
After you have completed the configuration of your wp2print site, you will want to make the site available to your customers using the permanent domain name you have registered, like:
https://mydomain.com
Here are the steps to switch to your permanent domain name: