diff --git a/PhysicalInstance.cpp b/PhysicalInstance.cpp
index faa740a..3a9891b 100644
--- a/PhysicalInstance.cpp
+++ b/PhysicalInstance.cpp
@@ -10,6 +10,7 @@ Color3 color;
 bool changed = true;
 Box itemBox = Box();
 
+
 PhysicalInstance::PhysicalInstance(void)
 {
 	name = "Default PhysicalInstance";
@@ -23,7 +24,38 @@ PhysicalInstance::PhysicalInstance(void)
 	velocity = Vector3(0,0,0);
 	rotVelocity = Vector3(0,0,0);
 }
+void PhysicalInstance::setSize(Vector3 newSize)
+{
+	int minsize = 1;
+	int maxsize = 512;
+	changed = true;
+	int sizex = (int)newSize.x;
+	if(sizex <= 0)
+		sizex = 1;
+	if(sizex > 512)
+		sizex = 512;
 
+	int sizey = (int)newSize.y;
+	if(sizey <= 0)
+		sizey = 1;
+	if(sizey > 512)
+		sizey = 512;
+
+	int sizez = (int)newSize.z;
+	if(sizez <= 0)
+		sizez = 1;
+	if(sizez > 512)
+		sizez = 512;
+
+	size = Vector3(sizex, sizey, sizez);
+
+
+
+}
+Vector3 PhysicalInstance::getSize()
+{
+	return size;
+}
 Vector3 PhysicalInstance::getPosition()
 {
 	return position;
diff --git a/PhysicalInstance.h b/PhysicalInstance.h
index bc3f859..66381db 100644
--- a/PhysicalInstance.h
+++ b/PhysicalInstance.h
@@ -7,7 +7,7 @@ class PhysicalInstance :
 public:
 	PhysicalInstance(void);
 	~PhysicalInstance(void);
-	Vector3 size;
+	
 	Vector3 velocity;
 	Vector3 rotvelocity;
 	CoordinateFrame cFrame;
@@ -18,6 +18,9 @@ public:
 	void setCFrame(CoordinateFrame);
 	Box getBox();
 	CoordinateFrame getCFrameRenderBased();
+	Vector3 getSize();
+	void setSize(Vector3);
 private:
 	Vector3 position;
+	Vector3 size;
 };
diff --git a/main.cpp b/main.cpp
index ba06964..2d4f3e2 100644
--- a/main.cpp
+++ b/main.cpp
@@ -719,7 +719,7 @@ void Demo::onInit()  {
 	PhysicalInstance* test = makePart();
 	test->parent = dataModel;
 	test->color = Color3(0.2F,0.3F,1);
-	test->size = Vector3(24,1,24);
+	test->setSize(Vector3(24,1,24));
 	test->setPosition(Vector3(0,0,0));
 	test->setCFrame(test->getCFrame() * Matrix3::fromEulerAnglesXYZ(0,toRadians(90),0));
 	//selectedInstance = test;
@@ -729,54 +729,54 @@ void Demo::onInit()  {
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3(.5F,1,.5F);
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(-10,1,0));
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3(.5F,1,.5F);
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(10,1,0));
 
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3::gray();
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(7,2,0));
 
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3::gray();
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(-7,2,0));
 
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3::gray();
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(4,3,0));
 
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3::gray();
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(-5,3,0));
 
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3::gray();
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(1,4,0));
 
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3::gray();
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(-3,4,0));
 
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3::gray();
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(-2,5,0));
 	
 
@@ -785,13 +785,13 @@ void Demo::onInit()  {
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3::gray();
-	test->size = Vector3(4,1,2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(0,6,0));
 
 	test = makePart();
 	test->parent = dataModel;
 	test->color = Color3::gray();
-	test->size = Vector3(-4,-1,-2);
+	test->setSize(Vector3(4,1,2));
 	test->setPosition(Vector3(2,7,0));
 
 	
@@ -1458,7 +1458,7 @@ void Demo::onGraphics(RenderDevice* rd) {
 				Draw::box(part->getBox(), app->renderDevice, part->color, Color4::clear());
 				if(selectedInstance == part)
 				{
-					Vector3 size = part->size;
+					Vector3 size = part->getSize();
 					Vector3 pos = part->getCFrame().translation;
 					drawOutline(Vector3(0+size.x/4, 0+size.y/4, 0+size.z/4) ,Vector3(0-size.x/4,0-size.y/4,0-size.z/4), rd, lighting, Vector3(size.x/2, size.y/2, size.z/2), Vector3(pos.x/2, pos.y/2, pos.z/2), part->getCFrameRenderBased());
 				}