As per my experience you need more guide because you have not good clarity in the tattoo design and border lines are not clean. Right now you need more practice on it and also you can get help Google tutorials which is posted by experience artists in the world. Here is the one example for you. Please have a look.

Marc I have reviewed your all details. I also need more details about this custom tattoo design. I can customize your fully tattoo design with your all instructions then would be provide you an unique tattoo design regarding your babies. I have number of experience tattoo artist which is able to customize any type of tattoo for the clients.