Using a rafter square can dramatically improve the accuracy and efficiency of your carpentry projects. One of the most helpful features is its ability to quickly mark common angles such as 90° and 45°, which are essential for framing walls, installing doors, and building window layouts. The built-in protractor edge allows you to find exact angles without complex calculations, saving time on-site. When working on roofing projects, the rafter square’s scales for rise over run simplify calculating pitches for common, hip, and valley rafters. This is crucial, as improper pitch measurements can lead to structural problems or water drainage issues on roofs. The tool’s markings also guide you in making precise plum cuts and bird’s mouth cuts—both critical for ensuring rafters fit snugly and securely. One tip from experience is to always double-check the pivot point used for your angle measurements to avoid errors. Marking the lines lightly before final cuts allows for adjustments, which is particularly important when the rafter square scales appear complicated at first glance. Additionally, keeping your rafter square clean and free from damage ensures the markings remain visible and the tool stays accurate. For beginners, practicing with scrap wood can build confidence using the speed square before tackling important framing tasks. Over time, this tool becomes indispensable, not only for roofing but for any layout work requiring quick and precise right angles. The reference to 'NORE DAYS Rafter Square Tip #32' suggests there are many specialized tips and tricks available, so exploring forums and tutorials on speed squares can expand your skill set further.