diff --git a/Comparison/src/main/java/cz/fidentis/analyst/symmetry/Triangle.java b/Comparison/src/main/java/cz/fidentis/analyst/symmetry/TriangleOBSOLETE.java
similarity index 100%
rename from Comparison/src/main/java/cz/fidentis/analyst/symmetry/Triangle.java
rename to Comparison/src/main/java/cz/fidentis/analyst/symmetry/TriangleOBSOLETE.java
diff --git a/MeshModel/pom.xml b/MeshModel/pom.xml
index 917a9b069f39ce2502e9b5557c54e48632db87d4..d440dda45e4d3592806c68ae9d97b0a38f7be3f2 100644
--- a/MeshModel/pom.xml
+++ b/MeshModel/pom.xml
@@ -19,6 +19,8 @@
                     <publicPackages> <!-- expose API/packages to other modules -->
                        <publicPackage>cz.fidentis.analyst.mesh.core.*</publicPackage>
                        <publicPackage>cz.fidentis.analyst.mesh.io.*</publicPackage>
+                       <!--<publicPackage>cz.fidentis.analyst.mesh.core.MeshFacet</publicPackage>-->
+                       <!--<publicPackage>cz.fidentis.analyst.mesh.core.MeshPoint</publicPackage>-->
                    </publicPackages>
                 </configuration>
             </plugin>
diff --git a/Comparison/src/main/java/cz/fidentis/analyst/symmetry/BoundingBox.java b/MeshModel/src/main/java/cz/fidentis/analyst/mesh/core/BoundingBox.java
similarity index 100%
rename from Comparison/src/main/java/cz/fidentis/analyst/symmetry/BoundingBox.java
rename to MeshModel/src/main/java/cz/fidentis/analyst/mesh/core/BoundingBox.java
diff --git a/MeshModel/src/main/java/cz/fidentis/analyst/mesh/core/MeshTriangle.java b/MeshModel/src/main/java/cz/fidentis/analyst/mesh/core/MeshTriangle.java
new file mode 100644
index 0000000000000000000000000000000000000000..23d919447263b794a86bec721e16724bc4fc48fe
--- /dev/null
+++ b/MeshModel/src/main/java/cz/fidentis/analyst/mesh/core/MeshTriangle.java
@@ -0,0 +1,102 @@
+package cz.fidentis.analyst.symmetry;
+
+/**
+ *
+ * @author Natália Bebjaková
+ * 
+ * Helping representation of triangle in symmetry estimate 
+ */
+
+public class Triangle { 
+    protected int vertex1;
+    protected int vertex2;
+    protected int vertex3;
+    
+    /**
+     * Creates new triangle
+     * 
+     * @param v1 first vertex 
+     * @param v2 second vertex
+     * @param v3 third vertex
+     */        
+    public Triangle(int v1, int v2, int v3) {
+        this.vertex1 = v1;
+        this.vertex2 = v2; 
+        this.vertex3 = v3;
+    }
+    /**
+     * 
+     * @return first vertex of triangle
+     */
+    public int getVertex1() {
+        return vertex1;
+    }
+
+    /**
+     * 
+     * @param vertex1 new vertex
+     */
+    public void setVertex1(int vertex1) {
+        this.vertex1 = vertex1;
+    }
+
+    /**
+     * 
+     * @return second vertex of triangle
+     */
+    public int getVertex2() {
+        return vertex2;
+    }
+
+    /**
+     * 
+     * @param vertex2 new vertex 
+     */
+    public void setVertex2(int vertex2) {
+        this.vertex2 = vertex2;
+    }
+
+    /**
+     * 
+     * @return third vertex of triangle
+     */
+    public int getVertex3() {
+        return vertex3;
+    }
+
+    /**
+     * 
+     * @param vertex3 new vertex 
+     */
+    public void setVertex3(int vertex3) {
+        this.vertex3 = vertex3;
+    }
+
+    /**
+     * Triangles are same if they have same vertices
+     * 
+     * @param obj other triangle 
+     * @return true if two triangles are same 
+     */        
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof Triangle) {
+            Triangle t = (Triangle)obj;
+            if (((this.vertex1 == t.vertex1) || (this.vertex1 == t.vertex2) || (this.vertex1 == t.vertex3)) &&
+                ((this.vertex2 == t.vertex1) || (this.vertex2 == t.vertex2) || (this.vertex2 == t.vertex3)) &&
+                ((this.vertex3 == t.vertex1) || (this.vertex3 == t.vertex2) || (this.vertex3 == t.vertex3))) {
+                return (true);
+            }
+        }
+        return (false);
+    }
+       
+    /**
+     * 
+     * @return hascode of the triangle
+     */
+    @Override 
+    public int hashCode() {
+        return (this.vertex1 * 100 ^ this.vertex2 * 100 ^ this.vertex3);
+    }
+}
diff --git a/codestyle.xml b/codestyle.xml
index 87b2b9619253a2ca3fc4951cb9964015f524b802..e8cd9d82de24f5f0053519da0e7aef771b8bba9a 100644
--- a/codestyle.xml
+++ b/codestyle.xml
@@ -13,10 +13,14 @@
     <module name="TreeWalker">
         <!-- Checks for Javadoc comments.                     -->
         <!-- See http://checkstyle.sf.net/config_javadoc.html -->
-        <module name="JavadocMethod">
+	<module name="MissingJavadocMethodCheck">
+            <property name="scope" value="public"/>
+	    <property name="allowMissingPropertyJavadoc" value="true"/>
+	</module>
+        <!--<module name="JavadocMethod">
             <property name="scope" value="public"/>
             <property name="allowMissingPropertyJavadoc" value="true"/>
-        </module>
+        </module>-->
         <module name="JavadocType">
             <property name="scope" value="public"/>
         </module>
@@ -54,9 +58,9 @@
 
         <!-- Checks for Size Violations.                    -->
         <!-- See http://checkstyle.sf.net/config_sizes.html -->
-        <module name="LineLength">
+        <!--<module name="LineLength">
             <property name="max" value="220"/>
-        </module>
+        </module>-->
         <module name="MethodLength">
             <property name="max" value="50"/>
             <property name="countEmpty" value="false"/>
@@ -91,7 +95,9 @@
         <!-- See http://checkstyle.sf.net/config_design.html -->
         <module name="FinalClass"/>
         <module name="InterfaceIsType"/>
-        <module name="VisibilityModifier"/>
+        <module name="VisibilityModifier">
+	  <property name="allowPublicFinalFields" value="true"/>
+        </module>
 
         <!-- Miscellaneous other checks.                   -->
         <!-- See http://checkstyle.sf.net/config_misc.html -->
diff --git a/pom.xml b/pom.xml
index f76915168359ea9014848a6ed2d6a73e6b9080e3..659231044d85fbb99cb7fb5b1685fbbf2eaf27c7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <properties>
         <netbeans.version>RELEASE113</netbeans.version>
         <brandingToken>fidentisanalyst</brandingToken>
-        <version.maven.plugin.checkstyle>2.17</version.maven.plugin.checkstyle>
+        <version.maven.plugin.checkstyle>3.1.1</version.maven.plugin.checkstyle>
         <version.plugin.checkstyle>8.5</version.plugin.checkstyle>
         <version.plugin.source>2.4</version.plugin.source>
         <version.javax.vecmath>1.5.2</version.javax.vecmath>