These edibles are included in the Seahorse Tutorial.
Print these only if you are not making the Seahorse. The Starfish Templates are included in the Seahorse Templates. Print these templates in 1:1 scale ('Actual size'). You'll find more information about how to use the templates here. If you need a different size cake topper, print the templates smaller or larger. You'll find instructions here.
This amount is included in the Seahorse Tutorial: