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Spline Architect – Procedural Walls, Buildings, and Structures with Splines

Spline Architect is a plugin for Unreal Engine 5 that enables fast, non-destructive creation of simple or complex structures and buildings using modular meshes placed along spline paths.

Key Features

  • Precise control using native UE5 Splines
  • Modular meshes are laid out directly – no need to merge them into unique, non-reusable assets
  • Auto-generated meshes (corners, floors) are intelligently named and reused whenever possible
  • Preset system allows you to quickly save and reuse building/structure templates
  • Structures can be baked either into InstancedStaticMesh components (for performance) or into individual StaticMesh components (for easy post-editing)
  • Ability to convert generated structures into standard UE5 actors with components – making them fully portable to other projects without requiring the plugin