One of the first pottery classes I took was Functional Pottery. A love of good food and drink, cooking and presentation all meet in this arena. This held a strong appeal for me as a food lover with artistic leanings. My kids used to laugh at my nearly pathological need to "arrange" food. Even now, as we cook I think, "What would I want to serve this in?" and as I create, "What would I eat/drink/serve from this?" Functional pottery involves not only size and shape, but also use of color (contrasting or complementary), and the matching or mismatching of sets.
There have been failures. My dad asked for a long, narrow bread baker with a lid, which has proven very difficult. At this point he's using a semi-successful baking dish with a makeshift covering of some sort. I'm still pondering how to tackle it.
So form continues to follow function...most of the time. New ideas and inspirations are always welcome - what is your functional pottery need?