Sentence:  Potters are craftworkers; that is, they use their hands to make objects for everyday use that need to have form and design as an integral part of their being. To  be able to do this potters need a certain ability, not only of the hands (as most might think) but especially a capacity to see what is <WSD>formful</WSD>, beautiful, characteristic and so on. 
Meaning of the word marked with <WSD> tags:  Well formed; aesthetically pleasing and skillfully constructed.