diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/java3d/Sphere.java b/app/src/main/java/org/ntlab/radishforandroidstudio/java3d/Sphere.java
index e60953f..c71cb0c 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/java3d/Sphere.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/java3d/Sphere.java
@@ -6,7 +6,93 @@
 	
 	private float radius;
 	int divisions;
-	
+
+	private Shape3D bodyShape = null;
+
+	public Sphere(float r, Appearance ap){
+		divisions = MID_REZ_DIV;
+
+		radius = r;
+		// 各面のジオメトリを作成
+		IndexedTriangleArray bodyGeom = new IndexedTriangleArray(divisions * (divisions / 2 - 1) + 2,
+				IndexedTriangleArray.COORDINATES | IndexedTriangleArray.NORMALS | IndexedTriangleArray.TEXTURE_COORDINATE_2,
+				divisions * ((divisions - 2) * 6 + 2 * 3));
+
+		// 頂点座標と法線の設定
+		float coordinates[][] = new float[divisions * (divisions / 2 - 1) + 2][3];
+		for (int i = 0; i <= divisions / 2; i++) {	// 緯度方向のループ(北極から南極に向かって)
+			if (i == 0) {
+				// 北極の場合
+				coordinates[0][0] = 0.0f;
+				coordinates[0][1] = radius;
+				coordinates[0][2] = 0.0f;
+				bodyGeom.setNormal(0, new float[]{0.0f, 1.0f, 0.0f});
+			} else if (i == divisions / 2) {
+				// 南極の場合
+				coordinates[divisions * (divisions / 2 - 1) + 1][0] = 0.0f;
+				coordinates[divisions * (divisions / 2 - 1) + 1][1] = -radius;
+				coordinates[divisions * (divisions / 2 - 1) + 1][2] = 0.0f;
+				bodyGeom.setNormal(divisions * (divisions / 2 - 1) + 1, new float[]{0.0f, -1.0f, 0.0f});
+			} else {
+				float y = r * (float) Math.cos(2 * Math.PI * ((double) i / divisions));
+				float r2 = r * (float) Math.sin(2 * Math.PI * ((double) i / divisions));
+				for (int j = 0; j < divisions; j++) {	// 経度方向のループ
+					float x = r2 * (float) Math.cos(2 * Math.PI * ((double) j / divisions));
+					float z = -r2 * (float) Math.sin(2 * Math.PI * ((double) j / divisions));
+					coordinates[(i - 1) * divisions + j + 1][0] = x;
+					coordinates[(i - 1) * divisions + j + 1][1] = y;
+					coordinates[(i - 1) * divisions + j + 1][2] = z;
+					bodyGeom.setNormal((i - 1) * divisions + j + 1, new float[]{x / r, y / r, z / r});
+				}
+			}
+		}
+
+		for (int i = 0; i < divisions * (divisions / 2 - 1) + 2; i++) {
+			bodyGeom.setCoordinate(i    , coordinates[i]);
+		}
+
+		int coordinateIndices[] = new int[divisions * ((divisions - 2) * 6 + 2 * 3)];
+		int index = 0;
+		for (int i = 0; i < divisions / 2; i++) {
+			for (int j = 0; j < divisions; j++) {
+				if (i == 0) {
+					// 北極付近
+					coordinateIndices[index] = 0;		// 北極
+					coordinateIndices[index + 1] = j + 1;
+					coordinateIndices[index + 2] = (j + 1) % divisions + 1;
+					index += 3;
+				} else if (i == divisions / 2 - 1) {
+					// 南極付近
+					coordinateIndices[index] = (i - 1) * divisions + j + 1;
+					coordinateIndices[index + 1] = divisions * (divisions / 2 - 1) + 1;		// 南極
+					coordinateIndices[index + 2] = (i - 1) * divisions + (j + 1) % divisions + 1;
+					index += 3;
+				} else {
+					coordinateIndices[index] = (i - 1) * divisions + j + 1;
+					coordinateIndices[index + 1] = i * divisions + j + 1;
+					coordinateIndices[index + 2] = i * divisions + (j + 1) % divisions + 1;
+					coordinateIndices[index + 3] = (i - 1) * divisions + j + 1;
+					coordinateIndices[index + 4] = i * divisions + (j + 1) % divisions + 1;
+					coordinateIndices[index + 5] = (i - 1) * divisions + (j + 1) % divisions + 1;
+					index += 6;
+				}
+			}
+		}
+
+		bodyGeom.setCoordinateIndices(0, coordinateIndices);
+
+		float uv[] = { 0, 0, 1, 0, 1, 1, 0, 1, };
+		bodyGeom.setTextureCoordinates(0, uv);	//
+
+		// 表面属性の作成
+		if (ap == null) {
+			ap = new Appearance();
+		}
+		setAppearance(ap);
+
+		bodyShape = new Shape3D(bodyGeom, ap);
+	}
+
 	public float getRadius() {
 		return radius;
 	}
@@ -17,6 +103,20 @@
 
 	@Override
 	public Shape3D getShape(int partid) {
+		switch (partid) {
+			case BODY:
+				return bodyShape;
+		}
 		return null;
 	}
+
+	@Override
+	public Node cloneTree() {
+		Appearance ap = getAppearance();
+		if (ap != null) {
+			ap = (Appearance)ap.cloneNodeComponent();
+		}
+		Sphere s = new Sphere(radius, ap);
+		return s;
+	}
 }