This #dailysketchext is sort of the general idea you're going for with a portfolio piece for fashion flats in fashion illustration. I have to do 4 of these this week. Two of them have to have a fashion figure (aka 9 heads croquis) next to them with the featured item of clothing on them. This page I'm showing you here is kind of plain, but you would want to add some design elements to your page so as to accentuate the piece without distracting from it. We have to turn in these final pages along with all the intermediate first sketches and tracing papers so as to be able to show that we did this from scratch. It is a lot of work -- and it has been a lot of work -- but I have also learned a lot too.