Decal Splines is a versatile Unity asset designed to simplify the creation and placement of decals along curved surfaces and splines. It allows developers to paint and align textures such as road markings, pipes, blood splatters, graffiti, or decorative patterns along any path or mesh with precision. The system is optimized for real-time performance and supports customizable materials, scaling, and orientation for maximum flexibility. Decal Splines enables developers to quickly enhance environments with detailed, visually consistent decals, adding realism, style, and polish to levels, roads, and interactive scenes across multiple platforms.