Here is the process to follow to implement the Page that will be used for launching a new Designer session. In this page, customers will see button that will allow them to launch a new Designer session:
[print-science-designer product_id=xxx template_id=yyy return_page_id=zzz]
In the example below, we are configuring the page to display a button that will launch the Designer for productID = 40. When the Designer session is complete, the user will be redirected to the WordPress Page with postID = 14356:

The customer will see a WordPress page that contains a button that launches a new Designer session as shown below:
