Kitchen design is a precise art. To make a functional space, every inch counts, and it can be difficult to remember all those tricky measurements. Here are some helpful guides and infographics collected from around the web to help you make the most of your space: StarCraft Custom Builders Work aisles and walkways: Work aisles (where a person stands during food prep in a kitchen) should be at least 42″ wide, and walkways should be at least 36″ wide.