There are a number of different ways that you can go about designing a farm layout for three towns. One option is to have one main farm that produces the majority of the crops, with the other two farms serving as satellite farms that focus on specific crops. Another option is to have each farm specialize in a different type of crop, which can be rotated so that each farm is producing a different crop each season.
Another thing to consider is how you will transport the crops between the farms. One option is to use a series of pipes or conveyor belts to move the crops from one farm to another. Alternatively, you could have each farm produce its own food and only transport the excess to the other farms. Whichever option you choose, it is important to make sure that the transportation system is efficient and that the crops are still fresh when they arrive at their destination.
Finally, you will need to decide what type of buildings and facilities you want on each farm. The main farm should have a large barn for storing the crops, as well as a house for the farmer and his family. The satellite farms could have smaller barns and houses, or you could choose to have them be completely self-sufficient and only have a few outbuildings.
No matter what type of layout you choose, it is important to make sure that the farms are spaced out enough so that they do not interfere with each other's operations. You should also make sure that there is enough space for the crops to grow and for the animals to roam. With a little bit of planning, you can create a farm layout that is both efficient and attractive.