IKEA BILLY Universal Corner & Alignment System

The official IKEA BILLY corner brackets are notoriously flimsy, difficult to align, and only support 45-degree angles. This 3D-printed system provides a more secure, aesthetic, and versatile solution for connecting your bookshelves at various angles. Whether you are building a wrap-around library or a custom hexagonal display, these brackets provide a tight, flush fit with zero wobble. Key Features Multiple Angles: Includes 0° (straight alignment), 30°, 45°, 60°, and 90° brackets. Dual Mounting Options: Slide them over the top and secure them using either: Standard IKEA spare screws. The included 3D-printed locking pins (no metal hardware required!). Precision Leveling: Includes a set of custom shims (1mm to 5mm) to fix height mismatches caused by uneven floors. Superior Aesthetics: Designed for a tighter gap between units than the official hardware. Labels: The angle and shim size is marked. What’s included The Brackets: Five angle variants, and a link to make your own. Locking Pins: