I was unaware that wings and patterned fur were rare attributes when I started playing this game, so my starter has neither of these things. Now I feel regret. Can you use the pet creator again after you have created your starter? If so, when and how can this be achieved?

The best option would be to message the admin Krinadon, and tell him your situation and see if he can help.

It says that you can "save a design for later use." This language seems to indicate that you can create more than one pet per game. Is this true?

You can, but you would need an essence, and sadly those cost diamonds.

As mentioned above, you need essences to create a new pet like your starter and those are quite pricey.

I'd recommend using the advanced search to find pets for sale that have the specific traits you are interested in. If you are interested in fairy wings on the vorpas, I can give you an eggie that will hatch with those.

Thank you so much : D I would love an egg!

Here you go
https://www.sylestia.com/view/pets/?petid=2560262

Thank you : )