Is This Possible

Hi, i have a portfolio section on my site. It displays all of my portfolio.

I have assigned 3 different types of categories (small, medium, large) to each project in my portfolio.

I have now created 3 new pages, called: small, medium, large and i have added these as drop downs to the Portfolio link in the main menu…

Is This Possible
Is it possible to make a page display only one category? For example, i now want the /small page to just display all projects that have been assigned into the small category

Is there a plugin out there that could handle this… which would allow a category selection on each page in the backend?

Thanks in advance for your help…