Originally Posted by Kopsis

The best fitter/builder in the world can't circumvent mathematics. To eliminate toe overlap on a small frame bike, you're going to end up with a long effective top tube and/or really slack head tube angle -- especially with 700c wheels. It gets a little easier with 650c. There's a reason stock frames in your size have some toe overlap. It's because eliminating it results in a poor handling or poor fitting frame. Toe overlap is not a difficult thing to learn to live with, so you may want to ask yourself if avoiding it is worth sacrificing fit or limiting your options.