Something magical happens when a scientist switches out her lab coat for a sewing machine. When creative sensibilities are combined with a scientific approach to problem-solving, you get ideas that are at once innovative and completely logical. This printable bias tape maker by Carla from the Scientific Seamstress Blog is a perfect example of what can happen when you bring a science-based skill set into the studio. By thinking through all of the details required to make even, usable bias tape, she created a simple, straight-forward tool that anyone can make—and it only requires sheet of paper!