Copy the RUGShare link for your design provided in your email.
As an example, you can copy the link below to share the design shown.
Paste the link on a new post on your facebook page and publish it with a short description of the design.
This is how the design looks like when shared on Facebook.
You can click it to load the customization interface.
Your followers can now click your Facebook post to go to the exploRUG customization page for that particular design.