diff --git a/src/main/java/cactusServer/entities/Depth3D.java b/src/main/java/cactusServer/entities/Depth3D.java
new file mode 100644
index 0000000..555a80b
--- /dev/null
+++ b/src/main/java/cactusServer/entities/Depth3D.java
@@ -0,0 +1,32 @@
+package cactusServer.entities;
+
+public class Depth3D {
+	private double depthX,depthY,depthZ;
+	private Depth3D() {
+		//Json�f�R�[�h�p
+	}
+	
+	public double getDepthX() {
+		return depthX;
+	}
+
+	public void setDepthX(double depthX) {
+		this.depthX = depthX;
+	}
+
+	public double getDepthY() {
+		return depthY;
+	}
+
+	public void setDepthY(double depthY) {
+		this.depthY = depthY;
+	}
+
+	public double getDepthZ() {
+		return depthZ;
+	}
+
+	public void setDepthZ(double depthZ) {
+		this.depthZ = depthZ;
+	}
+}
diff --git a/src/main/java/cactusServer/entities/Instance.java b/src/main/java/cactusServer/entities/Instance.java
index 85283ae..a3a2b2c 100644
--- a/src/main/java/cactusServer/entities/Instance.java
+++ b/src/main/java/cactusServer/entities/Instance.java
@@ -140,6 +140,7 @@
 				RandomStringGenerator.ALPHA_NUMERIC, objMap.keySet());
 		Object object = new Object(position, velocity, angularVelocity, angle, attribute, model);
 		objMap.put(id, object);
+		universe.place(object.getPlaceable());
 		return new IDAddressedEntity(id, object);
 	}
 
@@ -156,7 +157,7 @@
 		Character character = characterMap.get(characterId);
 		character.update(position, angle, model, null); // areaURI(��4����)�̍X�V�͌Ăяo����Ŏ����ōs����
 		return character;
-	}
+	}//
 
 	public Character destroyCharacter(String characterId) {
 		return characterMap.remove(characterId);
diff --git a/src/main/java/cactusServer/entities/Object.java b/src/main/java/cactusServer/entities/Object.java
index 146a821..20f9465 100644
--- a/src/main/java/cactusServer/entities/Object.java
+++ b/src/main/java/cactusServer/entities/Object.java
@@ -9,15 +9,18 @@
 //import framework.physics.Velocity3D;
 import net.arnx.jsonic.JSONHint;
 
-public class Object extends Entity {
+public class Object extends Entity3D {
 	private Position3D position;
 	private Velocity3D velocity;
 	private AngularVelocity3D angularVelocity;
 	private Angle angle;
 	private Attribute attribute;
 	private String model;
-	@JSONHint(ignore = true) public static final int UNIQUE_ID_LENGTH = 12;
 
+	@JSONHint(ignore = true)
+	public static final int UNIQUE_ID_LENGTH = 12;
+
+	@SuppressWarnings("unused")
 	private Object() {
 		// JSONDecode���̌Ăяo���p
 	}
@@ -47,7 +50,7 @@
 	public Angle getAngle() {
 		return angle;
 	}
-
+	
 	public Attribute getAttribute() {
 		return attribute;
 	}
@@ -105,4 +108,5 @@
 			this.cof = cof;
 		}
 	}
-}
+
+}
\ No newline at end of file