It took Marcin thirty-one days to design a perfect underline for Medium, the popular publishing platform. Alright, so it was more like a few days, and the underlines are far from perfect. The point remains. And that point might be: craftsmanship is hard and it will break your heart – and learning when it’s important to keep it up, and when it’s okay to leave it behind, might be one of the harder things to master as a designer.