public static Mesh IcosahedronMesh (double lengthDouble = 2d)
{
	Mesh mesh = new Mesh();

	float length = (float)lengthDouble;
	float phiLength = (float)PhiDouble(lengthDouble);

	List<Vector3> rawVerts = new List<Vector3>();
	List<Vector3> meshVerts = new List<Vector3>();
	List<Vector3> meshNormals = new List<Vector3>();
	List<Vector2> meshUVs = new List<Vector2>();
	List<int> meshTris = new List<int>();

	rawVerts.AddRange(new Vector3[]
	{
		new Vector3(0f, phiLength, length), new Vector3(0f, phiLength, -length), new Vector3(0f, -phiLength, length), new Vector3(0f, -phiLength, -length),
		new Vector3(length, 0f, phiLength), new Vector3(length, 0f, -phiLength), new Vector3(-length, 0f, phiLength), new Vector3(-length, 0f, -phiLength),
		new Vector3(phiLength, length, 0f), new Vector3(phiLength, -length, 0f), new Vector3(-phiLength, length, 0f), new Vector3(-phiLength, -length, 0f)
	});

	meshVerts.AddRange(new Vector3[]
	{
		// North
		rawVerts[0], rawVerts[6], rawVerts[4],
		rawVerts[0], rawVerts[10], rawVerts[6],
		rawVerts[0], rawVerts[1], rawVerts[10],
		rawVerts[0], rawVerts[8], rawVerts[1],
		rawVerts[0], rawVerts[4], rawVerts[8],

		// North-Equator
		rawVerts[2], rawVerts[4], rawVerts[6],
		rawVerts[11], rawVerts[6], rawVerts[10],
		rawVerts[7], rawVerts[10], rawVerts[1],
		rawVerts[5], rawVerts[1], rawVerts[8],
		rawVerts[9], rawVerts[8], rawVerts[4],

		// South-Equator
		rawVerts[6], rawVerts[11], rawVerts[2],
		rawVerts[10], rawVerts[7], rawVerts[11],
		rawVerts[1], rawVerts[5], rawVerts[7],
		rawVerts[8], rawVerts[9], rawVerts[5],
		rawVerts[4], rawVerts[2], rawVerts[9],

		// South
		rawVerts[3], rawVerts[2], rawVerts[11],
		rawVerts[3], rawVerts[11], rawVerts[7],
		rawVerts[3], rawVerts[7], rawVerts[5],
		rawVerts[3], rawVerts[5], rawVerts[9],
		rawVerts[3], rawVerts[9], rawVerts[2]
	});

	meshTris.AddRange(new int[]
	{
		0,1,2, 3,4,5, 6,7,8, 9,10,11, 12,13,14, // North
		15,16,17, 18,19,20, 21,22,23, 24,25,26, 27,28,29, // North-Equator
		30,31,32, 33,34,35, 36,37,38, 39,40,41, 42,43,44, // South-Equator
		45,46,47, 48,49,50, 51,52,53, 54,55,56, 57,58,59 // South
	});

	// new Vector2(0.5f, 1f), new Vector2(1f, 0f), new Vector2(0f, 0f)
	meshUVs.AddRange(new Vector2[]
	{
		// North (Tri 0-4)
		new Vector2(.455f, .992f), new Vector2(.542f, .671f), new Vector2(.367f, .671f),
		new Vector2(.273f, .992f), new Vector2(.360f, .671f), new Vector2(.185f, .671f),
		new Vector2(.091f, .992f), new Vector2(.178f, .671f), new Vector2(.003f, .671f),
		new Vector2(.818f, .992f), new Vector2(.906f, .671f), new Vector2(.731f, .671f),
		new Vector2(.636f, .992f), new Vector2(.724f, .671f), new Vector2(.549f, .671f),

		new Vector2(.455f, .342f), new Vector2(.367f, .662f), new Vector2(.542f, .662f),
		new Vector2(.273f, .992f), new Vector2(.360f, .671f), new Vector2(.185f, .671f),
		new Vector2(.091f, .992f), new Vector2(.178f, .671f), new Vector2(.003f, .671f),
		new Vector2(.818f, .992f), new Vector2(.906f, .671f), new Vector2(.731f, .671f),
		new Vector2(.636f, .992f), new Vector2(.724f, .671f), new Vector2(.549f, .671f),

		new Vector2(.455f, .992f), new Vector2(.542f, .671f), new Vector2(.367f, .671f),
		new Vector2(.273f, .992f), new Vector2(.360f, .671f), new Vector2(.185f, .671f),
		new Vector2(.091f, .992f), new Vector2(.178f, .671f), new Vector2(.003f, .671f),
		new Vector2(.818f, .992f), new Vector2(.906f, .671f), new Vector2(.731f, .671f),
		new Vector2(.636f, .992f), new Vector2(.724f, .671f), new Vector2(.549f, .671f),

		new Vector2(.455f, .992f), new Vector2(.542f, .671f), new Vector2(.367f, .671f),
		new Vector2(.273f, .992f), new Vector2(.360f, .671f), new Vector2(.185f, .671f),
		new Vector2(.091f, .992f), new Vector2(.178f, .671f), new Vector2(.003f, .671f),
		new Vector2(.818f, .992f), new Vector2(.906f, .671f), new Vector2(.731f, .671f),
		new Vector2(.636f, .992f), new Vector2(.724f, .671f), new Vector2(.549f, .671f)
	});

	/*
	meshUVs.AddRange(new int[]
	{
		0,4,6, 0,6,10, 0,10,1, 0,1,8, 0,8,4, // North
		2,6,4, 11,10,6, 7,1,10, 5,8,1, 9,4,8, // North-Equator
		6,2,11, 10,11,7, 1,7,5, 8,5,9, 4,9,2, // South-Equator
		3,11,2, 3,7,11, 3,5,7, 3,9,5, 3,2,9 // South
	});
	*/

	mesh.vertices = meshVerts.ToArray();
	mesh.triangles = meshTris.ToArray();
	mesh.normals = meshVerts.ToArray();
	mesh.uv = meshUVs.ToArray();

	return (mesh);
}

public static Mesh IcosphereMesh (int subdivisions = 1, double lengthDouble = 2d)
{
	int triLength = (int)Mathf.Pow(2, subdivisions);

	double icoLength = lengthDouble * (double)triLength;
	double icoPhiLength = PhiDouble(lengthDouble) * (double)triLength;

	Mesh mesh = IcosahedronMesh(icoLength);

	List<Vector3> oldVerts = new List<Vector3>();
	List<int> oldTris = new List<int>();

	List<Vector3> meshVerts = new List<Vector3>();
	List<int> meshTris = new List<int>();
	meshVerts.AddRange(mesh.vertices);
	meshTris.AddRange(mesh.triangles);
	List<Vector3> meshNormals = new List<Vector3>();
	List<Vector2> meshUVs = new List<Vector2>();

	float radius = meshVerts[0].magnitude;

	int triCount;
	int triID;

	Vector3 vertA = new Vector3();
	Vector3 vertB = new Vector3();
	Vector3 vertC = new Vector3();
	Vector3 vertAB = new Vector3();
	Vector3 vertBC = new Vector3();
	Vector3 vertCA = new Vector3();

	// For each level of Subdivision...
	for (int s=1; s<=subdivisions; s++)
	{
		Debug.Log ("Subdivision #" + s + "/" + subdivisions);
		oldVerts.Clear();
		oldVerts.AddRange(meshVerts);
		oldTris.Clear();
		oldTris.AddRange(meshTris);
		meshVerts.Clear();
		meshTris.Clear();
		meshUVs.Clear();
		meshNormals.Clear();

		// For each triangle in the last dataset...
		triCount = oldTris.Count / 3;
		//Debug.Log ("Tricount: " + triCount);
		for (int t=0; t<triCount; t++)
		{
			triID = t*12;
			//Debug.Log ("Triangle #" + t + " (ID: " + triID + ")");

			// Get all Verts and Midpoints...
			vertA = oldVerts[oldTris[t*3]];
			vertB = oldVerts[oldTris[t*3+1]];
			vertC = oldVerts[oldTris[t*3+2]];
			vertAB = Calc.Midpoint(vertA, vertB).normalized * radius;
			vertBC = Calc.Midpoint(vertB, vertC).normalized * radius;
			vertCA = Calc.Midpoint(vertC, vertA).normalized * radius;

			// Create 4 new triangles from Verts and Midpoints.
			meshVerts.AddRange(new Vector3[]
			{
				vertBC, vertCA, vertAB, // Tri M
				vertA, vertAB, vertCA, // Tri A
				vertAB, vertB, vertBC, // Tri B
				vertCA, vertBC, vertC // Tri C
			});

			meshTris.AddRange(new int[]
			{
				triID, triID+1, triID+2, // Tri M
				triID+3, triID+4, triID+5, // Tri A
				triID+6, triID+7, triID+8, // Tri B
				triID+9, triID+10, triID+11 // Tri C
			});

			meshNormals.AddRange(new Vector3[]
			{
				vertBC.normalized, vertCA.normalized, vertAB.normalized, // Tri M
				vertA.normalized, vertAB.normalized, vertCA.normalized, // Tri A
				vertAB.normalized, vertB.normalized, vertBC.normalized, // Tri B
				vertCA.normalized, vertBC.normalized, vertC.normalized // Tri C
			});

			meshUVs.AddRange(new Vector2[]
			{
				new Vector2(.455f, .992f), new Vector2(.542f, .671f), new Vector2(.367f, .671f), // Tri M
				new Vector2(.455f, .992f), new Vector2(.542f, .671f), new Vector2(.367f, .671f), // Tri A
				new Vector2(.455f, .992f), new Vector2(.542f, .671f), new Vector2(.367f, .671f), // Tri B
				new Vector2(.455f, .992f), new Vector2(.542f, .671f), new Vector2(.367f, .671f) // Tri C
			});
		}
	}

	mesh.vertices = meshVerts.ToArray();
	mesh.triangles = meshTris.ToArray();
	mesh.normals = meshVerts.ToArray();
	mesh.uv = meshUVs.ToArray();

	return (mesh);
}