David Shevlino - the 10 minute portrait challenge

Every week we're asking a different artist to spend 10 minutes sketching a portrait from the same photograph and give some hints and tips while they’re doing it. The idea is to see how different artists approach the same subject, and learn from the similarities and differences in their methods. This week it's David Shevlino's turn. If you want to have a go yourself, visit https://rawumberstudios.com/10 to find out more