The Flat Pattern Bend Calculator app is the most powerful tool in the world for calculating the necessary dimensions for the construction of flat patterns. It can calculate flat patterns of any shape, from simple segments to complex spirals and curved shapes. The tool calculates all the necessary parameters for the construction of a flat pattern, from the radius of the curvature to the height of the arc, and it allows you to choose the parameters manually or automatically. The tool is very easy to use and has an intuitive interface, so you don't have to know any math formulas to use it. You can simply select the parameters from a table and get the necessary result. The app is a very useful tool for all those who are working in the field of pressure vessels, and it can also be used by those who are working on the design of a flat pattern.