Center Finder Square

This Center Finder Square is a simple and precise tool designed to quickly find the center of circular objects such as sanding discs, wooden dowels, round plates, or any cylindrical part. The design combines: Two perpendicular rulers (90°) for stable alignment A 45° bar with an integrated pen channel, allowing you to draw accurate radius lines 🔧 How it works Place the square against the circular object Draw a first radius using the 45° pen guide Rotate the object and draw a second radius The intersection of the two lines marks the exact center This method is fast, repeatable, and does not require calipers or complex measuring tools. ✅ Features Designed for easy 3D printing Built-in pen channel for clean and precise lines Ideal for workshop, DIY, and maker projects Perfect for sanding discs, woodworking, and general shop use If you find this tool useful, download it, print it, and consider leaving a like or a boost to support my work! 🚀