3D Collider
Generate surface-based Mesh Colliders that follow complex, concave and open models, preserve holes and openings, and support Rigidbody objects with convex colliders.
by Kianan Studio
Price History +
3D Collider is a Unity Editor tool for generating Mesh Colliders that closely follow the visible surfaces of complex 3D models.
Instead of filling the entire object with one simplified collider, it can preserve concave areas, tunnels, holes, openings, and other empty spaces that are important for gameplay.
Non-Convex mode creates planar Mesh Colliders for static objects and supports complex, concave, and open meshes.
Convex mode creates closed convex Mesh Colliders from the detected surfaces, making the result suitable for non-kinematic Rigidbody objects and triggers. When the source mesh is already closed and convex, the tool can use a single Convex Mesh Collider.
The generated colliders are created directly in the Unity Editor. Convex surface thickness can be adjusted, and convex generation is enabled automatically when required by a dynamic Rigidbody or Trigger.
The package includes source code, a demo scene, sample models, prefabs, and offline PDF documentation. It has no external package dependencies and works with Built-in, URP, and HDRP.
