Heart Keychain interlocking pieces

This is my first time designing a model from scratch. I loved the idea and simplicity of these keychains and it's very quick/easy to print. I have optimised the design and print settings so it's fits together snugly, with a cute star opening to thread a keychain through. One for you, and one for partner, loved one, or friend. I would love to know how you get on printing this design and if it also works for you. Thanks and happy printing! :-)