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diff --git a/org.simantics.g3d.jme/src/org/simantics/g3d/jme/utils/JmeUtil.java b/org.simantics.g3d.jme/src/org/simantics/g3d/jme/utils/JmeUtil.java
new file mode 100644
index 00000000..e680ffc7
--- /dev/null
+++ b/org.simantics.g3d.jme/src/org/simantics/g3d/jme/utils/JmeUtil.java
@@ -0,0 +1,89 @@
+package org.simantics.g3d.jme.utils;
+
+import java.util.Collection;
+
+import javax.vecmath.AxisAngle4d;
+import javax.vecmath.Quat4d;
+import javax.vecmath.Vector3d;
+
+import org.simantics.g3d.math.MathTools;
+
+import com.jme3.app.Application;
+import com.jme3.math.Quaternion;
+import com.jme3.renderer.RenderManager;
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+
+public class JmeUtil {
+	
+	public static Node getRoot(Application app) {
+		return getRoot(app.getRenderManager());
+	}
+
+	public static Node getRoot(RenderManager manager) {
+		return (Node)(manager.getMainView("Default").getScenes().get(0));
+	}
+	
+	public static void updateTransform(Collection<Spatial> props, Vector3d pos, Quat4d q) {
+		double position[] = new double[]{pos.x,pos.y,pos.z};
+		updateTransform(props, position, q);
+	}
+	
+	public static void updateTransform(Spatial actor, double pos[], Quat4d quat) {
+		Quaternion q = new Quaternion((float)quat.x, (float)quat.y,(float)quat.z, (float)quat.w);
+		actor.setLocalRotation(q);
+		actor.setLocalTranslation((float)pos[0], (float)pos[1], (float)pos[2]);
+		
+	}
+	
+	public static void updateTransform(Collection<Spatial> props, double pos[], AxisAngle4d aa) {
+		Quat4d q = new Quat4d();
+		MathTools.getQuat(aa, q);
+		updateTransform(props, pos, q);
+	}
+	
+	public static void updateTransform(Collection<Spatial> props, double pos[], Quat4d quat) {
+		Quaternion q = new Quaternion((float)quat.x, (float)quat.y,(float)quat.z, (float)quat.w);
+		for (Spatial actor : props) {
+			actor.setLocalRotation(q);
+			actor.setLocalTranslation((float)pos[0], (float)pos[1], (float)pos[2]);
+		}
+	}
+	
+	public static void updateTransform(Collection<Spatial> props, Vector3d pos, Quat4d quat, double scale) {
+		Quaternion q = new Quaternion((float)quat.x, (float)quat.y,(float)quat.z, (float)quat.w);
+		for (Spatial actor : props) {
+			actor.setLocalRotation(q);
+			actor.setLocalTranslation((float)pos.x, (float)pos.y, (float)pos.z);
+			actor.setLocalScale((float)scale);
+		}
+	}
+	
+	public static void updateTransform(Collection<Spatial> props, double pos[], Quat4d quat, double scale) {
+		Quaternion q = new Quaternion((float)quat.x, (float)quat.y,(float)quat.z, (float)quat.w);
+		for (Spatial actor : props) {
+			actor.setLocalRotation(q);
+			actor.setLocalTranslation((float)pos[0], (float)pos[1], (float)pos[2]);
+			actor.setLocalScale((float)scale);
+		}
+	}
+	
+	public static void updateTransform(Spatial actor, Vector3d pos, Quat4d quat, double scalex, double scaley,double scalez) {
+		Quaternion q = new Quaternion((float)quat.x, (float)quat.y,(float)quat.z, (float)quat.w);
+
+		actor.setLocalRotation(q);
+		actor.setLocalTranslation((float)pos.x, (float)pos.y, (float)pos.z);
+		actor.setLocalScale((float)scalex,(float)scaley,(float)scalez);
+
+	}
+	
+	public static void updateTransform(Collection<Spatial> props, Vector3d pos, Quat4d quat, double scalex, double scaley,double scalez) {
+		Quaternion q = new Quaternion((float)quat.x, (float)quat.y,(float)quat.z, (float)quat.w);
+		for (Spatial actor : props) {
+			actor.setLocalRotation(q);
+			actor.setLocalTranslation((float)pos.x, (float)pos.y, (float)pos.z);
+			actor.setLocalScale((float)scalex,(float)scaley,(float)scalez);
+		}
+	}
+	
+}