does a type sketch always have to be written negatively? Can one write a type sketch from a positive point of view? Instead of pointing out vices or folly, can one point out good attributes?

Thanks

Since this is not my area of expertise, I searched Google under the key words "type sketch" to get these possible sources:

http://www.google.com/search?client=safari&rls=en&q=type+sketch&ie=UTF-8&oe=UTF-8

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.