Based upon a customer's food preferences here is a suggested layout for three 4' x 4' raised beds throughout a growing season.
The exercise is useful no matter the bed dimensions you are planning for. Of course your beds will probably have different plants in some places, reflecting your food choices. Keep in mind your favorite vegetables and how much of them you eat or want to store.
We will begin talking about starting new plants soon, and cheating the seasons with row covers, low tunnels etc.
We want to walk a composite client through a year, planning and starting a garden and most of the major steps through harvest. Please do not hesitate to email questions to us. Hopefully the answer may be of use to someone else.