diff --git a/conanfile.py b/conanfile.py
index 044ff34..2db0e85 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -27,3 +27,4 @@ class SDL3CppConan(ConanFile):
         self.requires("cli11/2.6.0")
         self.requires("bullet3/3.25")
         self.requires("box2d/3.1.1")
+        self.requires("assimp/6.0.2")
diff --git a/scripts/generate_cube_stl.py b/scripts/generate_cube_stl.py
new file mode 100644
index 0000000..80c67c0
--- /dev/null
+++ b/scripts/generate_cube_stl.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+"""Produce a cube STL with CadQuery for the Lua scene to load."""
+
+from __future__ import annotations
+
+import argparse
+from pathlib import Path
+
+import cadquery as cq
+from cadquery import exporters
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(description="Generate a simple cube STL.")
+    parser.add_argument(
+        "--size",
+        type=float,
+        default=2.0,
+        help="Edge length of the cube in model units (default: 2.0 to match Lua cube bounds).",
+    )
+    parser.add_argument(
+        "-o",
+        "--output",
+        type=Path,
+        default=Path(__file__).parent / "models" / "cube.stl",
+        help="Path to write the ASCII STL file.",
+    )
+    return parser.parse_args()
+
+
+def main() -> None:
+    args = parse_args()
+    args.output.parent.mkdir(parents=True, exist_ok=True)
+    cube = cq.Workplane("XY").box(args.size, args.size, args.size)
+    exporters.export(
+        cube,
+        str(args.output),
+        exportType=exporters.ExportTypes.STL,
+        opt={"ascii": True},
+    )
+    print(f"Wrote cube STL to {args.output}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/scripts/models/cube.stl b/scripts/models/cube.stl
new file mode 100644
index 0000000..0ac6874
--- /dev/null
+++ b/scripts/models/cube.stl
@@ -0,0 +1,86 @@
+solid 
+ facet normal -1.000000e+00  0.000000e+00  0.000000e+00
+   outer loop
+     vertex -1.000000e+00 -1.000000e+00  1.000000e+00
+     vertex -1.000000e+00  1.000000e+00 -1.000000e+00
+     vertex -1.000000e+00 -1.000000e+00 -1.000000e+00
+   endloop
+ endfacet
+ facet normal -1.000000e+00  0.000000e+00  0.000000e+00
+   outer loop
+     vertex -1.000000e+00 -1.000000e+00  1.000000e+00
+     vertex -1.000000e+00  1.000000e+00  1.000000e+00
+     vertex -1.000000e+00  1.000000e+00 -1.000000e+00
+   endloop
+ endfacet
+ facet normal  1.000000e+00  0.000000e+00  0.000000e+00
+   outer loop
+     vertex  1.000000e+00 -1.000000e+00  1.000000e+00
+     vertex  1.000000e+00 -1.000000e+00 -1.000000e+00
+     vertex  1.000000e+00  1.000000e+00 -1.000000e+00
+   endloop
+ endfacet
+ facet normal  1.000000e+00 -0.000000e+00  0.000000e+00
+   outer loop
+     vertex  1.000000e+00 -1.000000e+00  1.000000e+00
+     vertex  1.000000e+00  1.000000e+00 -1.000000e+00
+     vertex  1.000000e+00  1.000000e+00  1.000000e+00
+   endloop
+ endfacet
+ facet normal  0.000000e+00 -1.000000e+00 -0.000000e+00
+   outer loop
+     vertex  1.000000e+00 -1.000000e+00  1.000000e+00
+     vertex -1.000000e+00 -1.000000e+00 -1.000000e+00
+     vertex  1.000000e+00 -1.000000e+00 -1.000000e+00
+   endloop
+ endfacet
+ facet normal -0.000000e+00 -1.000000e+00  0.000000e+00
+   outer loop
+     vertex  1.000000e+00 -1.000000e+00  1.000000e+00
+     vertex -1.000000e+00 -1.000000e+00  1.000000e+00
+     vertex -1.000000e+00 -1.000000e+00 -1.000000e+00
+   endloop
+ endfacet
+ facet normal  0.000000e+00  1.000000e+00  0.000000e+00
+   outer loop
+     vertex  1.000000e+00  1.000000e+00  1.000000e+00
+     vertex  1.000000e+00  1.000000e+00 -1.000000e+00
+     vertex -1.000000e+00  1.000000e+00 -1.000000e+00
+   endloop
+ endfacet
+ facet normal  0.000000e+00  1.000000e+00  0.000000e+00
+   outer loop
+     vertex  1.000000e+00  1.000000e+00  1.000000e+00
+     vertex -1.000000e+00  1.000000e+00 -1.000000e+00
+     vertex -1.000000e+00  1.000000e+00  1.000000e+00
+   endloop
+ endfacet
+ facet normal -0.000000e+00  0.000000e+00 -1.000000e+00
+   outer loop
+     vertex  1.000000e+00  1.000000e+00 -1.000000e+00
+     vertex -1.000000e+00 -1.000000e+00 -1.000000e+00
+     vertex -1.000000e+00  1.000000e+00 -1.000000e+00
+   endloop
+ endfacet
+ facet normal  0.000000e+00 -0.000000e+00 -1.000000e+00
+   outer loop
+     vertex  1.000000e+00  1.000000e+00 -1.000000e+00
+     vertex  1.000000e+00 -1.000000e+00 -1.000000e+00
+     vertex -1.000000e+00 -1.000000e+00 -1.000000e+00
+   endloop
+ endfacet
+ facet normal  0.000000e+00  0.000000e+00  1.000000e+00
+   outer loop
+     vertex  1.000000e+00  1.000000e+00  1.000000e+00
+     vertex -1.000000e+00  1.000000e+00  1.000000e+00
+     vertex -1.000000e+00 -1.000000e+00  1.000000e+00
+   endloop
+ endfacet
+ facet normal  0.000000e+00  0.000000e+00  1.000000e+00
+   outer loop
+     vertex  1.000000e+00  1.000000e+00  1.000000e+00
+     vertex -1.000000e+00 -1.000000e+00  1.000000e+00
+     vertex  1.000000e+00 -1.000000e+00  1.000000e+00
+   endloop
+ endfacet
+endsolid