Spline Mesher is a tool designed to bend and repeat meshes along splines. It helps streamline environment creation by reducing the need to round trip with external modeling tools. The tool is developed by Staggart Creations, the developer behind other useful assets such as Stylized Water and the Underwater Rendering extension.
Spline Mesher works in a straightforward way. Users provide the component with a spline and an input mesh, which is then continuously repeated and deformed along the curve. This makes it easy to create fences, pipes, cables, roads, bridges, railway tracks, and guardrails, as well as many other assets for seamless world building.
Spline Mesher was built on top of Unity's native spline system and was originally released in 2024. Since then, it has been continuously improved through regular updates. A Pro version of Spline Mesher has now been released, further expanding its capabilities.
The Pro version includes features such as multithreaded mesh generation, enabling faster real time changes that can be up to 50 times faster than the standard version. In addition to the Curve Mesh component, a new Fill Mesh generator allows users to create a mesh from a spline's contour with uniform topology and a distance field baked into the UVs. This enables the creation of features such as lakes, curbs, islands, and platforms.
The Pro version also features expanded collider functionality, with support for convex and kinematic colliders as well as collision and trigger events. Other additions include MeshLOD support and the ability to output meshes split into segments for optimal culling and rendering performance at large scales.
Spline Mesher is compatible with all render pipelines, and the Pro version includes a migration wizard to convert instances and prefabs from the Standard version.
For more information and to purchase the tool, visit the Spline Mesher Standard and Spline Mesher Pro pages on the Unity Asset Store.
