diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/factory/BulletFactory.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/factory/BulletFactory.java
index be6d8e7..adf0d8c 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/factory/BulletFactory.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/factory/BulletFactory.java
@@ -17,6 +17,7 @@
         Object3D pochaBody = null;
         try {
             pochaBody = ModelFactory.loadModel(resources, getModelName(), ap1).createObject();
+            pochaBody.scale(getScale());
         } catch (Exception e) {
             e.printStackTrace();
         }
@@ -27,5 +28,6 @@
 
     protected abstract Material createMaterial();
     protected Appearance createAppearance() { return new Appearance(); }
+    protected float getScale() { return 1.0f; };
     protected abstract String getModelName();
 }
diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/factory/NormalBulletFactory.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/factory/NormalBulletFactory.java
index a315c50..facfaf4 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/factory/NormalBulletFactory.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/factory/NormalBulletFactory.java
@@ -18,4 +18,7 @@
     protected String getModelName() {
         return "pocha.stl";
     }
+
+    @Override
+    protected float getScale() { return 0.5f; }
 }