diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf73fd9..531f6c4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,9 @@ endif()
 aux_source_directory(algoim algoim_SOURCES)
 
 add_executable(algoim examples/examples_quad_multipoly.cpp ${algoim_SOURCES})
-
 target_include_directories(algoim PRIVATE ${LAPACKE_INCLUDE_DIR})
 target_link_libraries(algoim PRIVATE ${LAPACKE_LIB} ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+
+add_executable(loader examples/example_loader.cpp ${algoim_SOURCES})
+target_include_directories(loader PRIVATE ${LAPACKE_INCLUDE_DIR})
+target_link_libraries(loader PRIVATE ${LAPACKE_LIB} ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
diff --git a/algoim/organizer/loader.hpp b/algoim/organizer/loader.hpp
index 842bb62..b13043e 100644
--- a/algoim/organizer/loader.hpp
+++ b/algoim/organizer/loader.hpp
@@ -1,8 +1,8 @@
 #pragma once
-#include "organizer.hpp"
+#include <sparkstack.hpp>
 #include <uvector.hpp>
+#include "organizer.hpp"
 #include "primitive.hpp"
-#include <sparkstack.hpp>
 
 class Vector3D
 {
@@ -22,37 +22,27 @@ public:
 
     Vector3D operator/(const double scalar) const
     {
-        if (scalar == 0) 
+        if (scalar == 0)
         {
             throw std::runtime_error("Division by zero error.");
         }
-        
-        return Vector3D(
-            this->m_x / scalar,
-            this->m_y / scalar,
-            this->m_z / scalar
-        );
+
+        return Vector3D(this->m_x / scalar, this->m_y / scalar, this->m_z / scalar);
     }
 
     Vector3D operator*(const double scalar) const
-    {        
-        return Vector3D(
-            this->m_x * scalar,
-            this->m_y * scalar,
-            this->m_z * scalar
-        );
+    {
+        return Vector3D(this->m_x * scalar, this->m_y * scalar, this->m_z * scalar);
     }
 
     Vector3D cross(const Vector3D& other) const
     {
-        return Vector3D(
-            this->m_y * other.m_z - this->m_z * other.m_y,
-            this->m_z * other.m_x - this->m_x * other.m_z,
-            this->m_x * other.m_y - this->m_y * other.m_x
-        );
+        return Vector3D(this->m_y * other.m_z - this->m_z * other.m_y,
+                        this->m_z * other.m_x - this->m_x * other.m_z,
+                        this->m_x * other.m_y - this->m_y * other.m_x);
     }
 
-    double dot(const Vector3D& other) const 
+    double dot(const Vector3D& other) const
     {
         return this->m_x * other.m_x + this->m_y * other.m_y + this->m_z * other.m_z;
     }
@@ -91,16 +81,14 @@ public:
         this->normalized();
     }
 
-    Direction3D cross(const Direction3D& other) const
+    Vector3D cross(const Direction3D& other) const
     {
-        return Direction3D(
-            this->m_y * other.m_z - this->m_z * other.m_y,
-            this->m_z * other.m_x - this->m_x * other.m_z,
-            this->m_x * other.m_y - this->m_y * other.m_x
-        );
+        return Vector3D(this->m_y * other.m_z - this->m_z * other.m_y,
+                        this->m_z * other.m_x - this->m_x * other.m_z,
+                        this->m_x * other.m_y - this->m_y * other.m_x);
     }
 
-    double dot(const Direction3D& other) const 
+    double dot(const Direction3D& other) const
     {
         return this->m_x * other.m_x + this->m_y * other.m_y + this->m_z * other.m_z;
     }
@@ -108,29 +96,24 @@ public:
     void normalized()
     {
         double length = this->length();
-        if (std::abs(length) < 1e-8) 
+        if (std::abs(length) < 1e-8)
         {
             throw std::runtime_error("Cannot normalize a zero-length vector.");
         }
 
         this->m_x /= length;
-        this->m_y /= length,
-        this->m_z /= length;
+        this->m_y /= length, this->m_z /= length;
     }
 
-    bool isParallel(const Direction3D& other)
+    bool isParallel(const Direction3D& other) const
     {
         auto cross = this->cross(other);
         return std::abs(cross.length()) < 1e-8;
     }
 
-    Direction3D operator- () const
+    Direction3D operator-() const
     {
-        return Direction3D(
-            -this->m_x,
-            -this->m_y,
-            -this->m_z
-        );
+        return Direction3D(-this->m_x, -this->m_y, -this->m_z);
     }
 };
 
@@ -144,55 +127,37 @@ public:
         this->m_y = y;
         this->m_z = z;
     }
- 
-    Vector3D operator- (const Point3D& other) const
+
+    Vector3D operator-(const Point3D& other) const
     {
-        return Vector3D(
-            this->m_x - other.m_x,
-            this->m_y - other.m_y,
-            this->m_z - other.m_z
-        );
+        return Vector3D(this->m_x - other.m_x, this->m_y - other.m_y, this->m_z - other.m_z);
     }
 
-    Point3D operator- (const Direction3D& direction) const
+    Point3D operator-(const Direction3D& direction) const
     {
-        return Point3D(
-            this->m_x - direction.m_x,
-            this->m_y - direction.m_y,
-            this->m_z - direction.m_z
-        );
+        return Point3D(this->m_x - direction.m_x, this->m_y - direction.m_y, this->m_z - direction.m_z);
     }
 
-    Point3D operator- (const Vector3D& offset) const
+    Point3D operator-(const Vector3D& offset) const
     {
-        return Point3D(
-            this->m_x - offset.m_x,
-            this->m_y - offset.m_y,
-            this->m_z - offset.m_z
-        );
+        return Point3D(this->m_x - offset.m_x, this->m_y - offset.m_y, this->m_z - offset.m_z);
     }
 
-    Point3D operator+ (const Direction3D& direction) const
+    Point3D operator+(const Direction3D& direction) const
     {
-        return Point3D(
-            this->m_x + direction.m_x,
-            this->m_y + direction.m_y,
-            this->m_z + direction.m_z
-        );
+        return Point3D(this->m_x + direction.m_x, this->m_y + direction.m_y, this->m_z + direction.m_z);
     }
 
-    Point3D operator+ (const Vector3D& offset) const
+    Point3D operator+(const Vector3D& offset) const
     {
-        return Point3D(
-            this->m_x + offset.m_x,
-            this->m_y + offset.m_y,
-            this->m_z + offset.m_z
-        );
+        return Point3D(this->m_x + offset.m_x, this->m_y + offset.m_y, this->m_z + offset.m_z);
     }
 
     double getDistance(const Point3D& other) const
     {
-        return std::sqrt((other.m_x - this->m_x) * (other.m_x - this->m_x) + (other.m_y - this->m_y) * (other.m_y - this->m_y) + (other.m_z - this->m_z) * (other.m_z - this->m_z));
+        return std::sqrt((other.m_x - this->m_x) * (other.m_x - this->m_x) +
+                         (other.m_y - this->m_y) * (other.m_y - this->m_y) +
+                         (other.m_z - this->m_z) * (other.m_z - this->m_z));
     }
 
     Point3D getMiddlePoint(const Point3D& other) const
@@ -201,6 +166,8 @@ public:
     }
 };
 
+typedef unsigned int BodyTag;
+
 class Loader
 {
 public:
@@ -212,7 +179,7 @@ public:
     Point3D computePolygonCentroid(const std::vector<Point3D>& points) const
     {
         double centroidX = 0, centroidY = 0, centroidZ = 0;
-        for (const auto& point : points) 
+        for (const auto& point : points)
         {
             centroidX += point.m_x;
             centroidY += point.m_y;
@@ -226,7 +193,7 @@ public:
      * @brief Create an empty blob tree
      * @return The created empty blob tree
      */
-    static algoim::organizer::BlobTree createEmptyBlobTree()
+    algoim::organizer::BlobTree createEmptyBlobTree()
     {
         algoim::organizer::BlobTree tree;
 
@@ -269,7 +236,8 @@ public:
      * @param[in] rep2 The second visible primitive node
      * @return The unioned visible primitive
      */
-    static algoim::organizer::VisiblePrimitiveRep unionNode(const algoim::organizer::VisiblePrimitiveRep& rep1, const algoim::organizer::VisiblePrimitiveRep rep2)
+    algoim::organizer::VisiblePrimitiveRep unionNode(const algoim::organizer::VisiblePrimitiveRep& rep1,
+                                                     const algoim::organizer::VisiblePrimitiveRep& rep2)
     {
         auto tree = createEmptyBlobTree();
         tree.structure[2].nodeOp = 0;
@@ -280,10 +248,12 @@ public:
 
         algoim::organizer::VisiblePrimitiveRep result;
         result.subBlobTree = tree;
-        for (auto& rep : minimalReps)
+        result.aabb = rep1.aabb;
+        result.aabb.extend(rep2.aabb);
+
+        for (auto& iter : minimalReps)
         {
-            result.tensors.push_back(rep.tensor);
-            result.aabb.extend(rep.aabb);
+            result.tensors.push_back(iter.tensor);
         }
 
         return result;
@@ -295,7 +265,8 @@ public:
      * @param[in] rep2 The second visible primitive node
      * @return The intersected visible primitive
      */
-    static algoim::organizer::VisiblePrimitiveRep intersectionNode(const algoim::organizer::VisiblePrimitiveRep& rep1, const algoim::organizer::VisiblePrimitiveRep rep2)
+    algoim::organizer::VisiblePrimitiveRep intersectNode(const algoim::organizer::VisiblePrimitiveRep& rep1,
+                                                         const algoim::organizer::VisiblePrimitiveRep& rep2)
     {
         auto tree = createEmptyBlobTree();
         tree.structure[2].nodeOp = 1;
@@ -306,10 +277,12 @@ public:
 
         algoim::organizer::VisiblePrimitiveRep result;
         result.subBlobTree = tree;
-        for (auto& rep : minimalReps)
+        result.aabb = rep1.aabb;
+        result.aabb.intersect(rep2.aabb);
+
+        for (auto& iter : minimalReps)
         {
-            result.tensors.push_back(rep.tensor);
-            result.aabb.extend(rep.aabb);
+            result.tensors.push_back(iter.tensor);
         }
 
         return result;
@@ -321,7 +294,8 @@ public:
      * @param[in] rep2 The second visible primitive node
      * @return The differenced visible primitive
      */
-    static algoim::organizer::VisiblePrimitiveRep differenceNode(const algoim::organizer::VisiblePrimitiveRep& rep1, const algoim::organizer::VisiblePrimitiveRep rep2)
+    algoim::organizer::VisiblePrimitiveRep differentNode(const algoim::organizer::VisiblePrimitiveRep& rep1,
+                                                         const algoim::organizer::VisiblePrimitiveRep& rep2)
     {
         auto tree = createEmptyBlobTree();
         tree.structure[2].nodeOp = 2;
@@ -332,29 +306,84 @@ public:
 
         algoim::organizer::VisiblePrimitiveRep result;
         result.subBlobTree = tree;
-        for (auto& rep : minimalReps)
+        result.aabb = rep1.aabb;
+
+        for (auto& iter : minimalReps)
         {
-            result.tensors.push_back(rep.tensor);
-            result.aabb.extend(rep.aabb);
+            result.tensors.push_back(iter.tensor);
         }
 
         return result;
     }
 
+    void unionNode(const BodyTag body1, const BodyTag body2)
+    {
+        auto& rep1 = this->m_allVisible[body1];
+        auto& rep2 = this->m_allVisible[body2];
+
+        auto result = this->unionNode(rep1, rep2);
+
+        this->m_allVisible[body1] = result;
+    }
+
+    void intersectNode(const BodyTag body1, const BodyTag body2)
+    {
+        auto& rep1 = this->m_allVisible[body1];
+        auto& rep2 = this->m_allVisible[body2];
+
+        auto result = this->intersectNode(rep1, rep2);
+
+        this->m_allVisible[body1] = result;
+    }
+
+    void differentNode(const BodyTag body1, const BodyTag body2)
+    {
+        auto& rep1 = this->m_allVisible[body1];
+        auto& rep2 = this->m_allVisible[body2];
+
+        auto result = this->differentNode(rep1, rep2);
+
+        this->m_allVisible[body1] = result;
+    }
+
+    void offset(const BodyTag body, const Direction3D& directrion, const double length)
+    {
+        algoim::uvector<algoim::real, 3> scale = 1;
+        algoim::uvector<algoim::real, 3> bias = -directrion.getUVector3Data();
+
+        auto& rep = this->m_allVisible[body];
+
+        for (auto& iter : rep.tensors)
+        {
+            algoim::organizer::detail::powerTransformation(scale, bias, iter);
+        }
+
+        rep.aabb += directrion.getUVector3Data();
+    }
+
+    void split(const BodyTag body, const Point3D& basePoint, const Direction3D& normal)
+    {
+        auto& rep = this->m_allVisible[body];
+        auto halfPlane = this->createHalfPlane(basePoint, -normal);
+        auto result = this->intersectNode(rep, halfPlane);
+        this->m_allVisible[body] = result;
+    }
+
     /**
      * @brief Create a polygonal column without top face and bottom face
      * @param[in] points All the bottom point with counter clockwise
      * @param[in] extusion The stretch direction
-     * @return The polygonal column 
+     * @return The polygonal column
      */
-    algoim::organizer::VisiblePrimitiveRep createPolygonalColumnWithoutTopBottom(const std::vector<Point3D>& points, const Vector3D& extusion)
+    algoim::organizer::VisiblePrimitiveRep createPolygonalColumnWithoutTopBottom(const std::vector<Point3D>& points,
+                                                                                 const Vector3D& extusion)
     {
         int pointNumber = points.size();
-        
+
         std::vector<algoim::uvector3> vertices;
         std::vector<int> indices;
         std::vector<int> indexInclusiveScan;
-        
+
         /* All bottom point */
         for (int i = 0; i < pointNumber; i++)
         {
@@ -374,14 +403,14 @@ public:
             indices.push_back((i + 1) % pointNumber);
             indices.push_back((i + 1) % pointNumber + pointNumber);
             indices.push_back(i + pointNumber);
-            
-            indexInclusiveScan.push_back(index);
+
             index += 4;
+            indexInclusiveScan.push_back(index);
         }
 
         algoim::organizer::MeshDesc polygonalColumn(vertices, indices, indexInclusiveScan);
         algoim::organizer::VisiblePrimitiveRep result;
-        result.tensors.resize(2 + pointNumber, algoim::tensor3(nullptr, 3));
+        result.tensors.resize(pointNumber, algoim::tensor3(nullptr, 3));
         std::vector<algoim::SparkStack<algoim::real>*> temp;
         algoim::algoimSparkAllocHeapVector(temp, result.tensors);
         algoim::organizer::makeMesh(polygonalColumn, result);
@@ -400,23 +429,29 @@ public:
      * @param[in] radius The radius of the cylinder
      * @param[in] length The length of the cylinder
      * @param[in] alignAxis The align axis of the cylinder
-     * @return The cylinder column 
+     * @return The cylinder column
      */
-    algoim::organizer::VisiblePrimitiveRep createCylinderWithoutTopBottom(const Point3D& origion, const double radius, const double length, const int alignAxis)
+    algoim::organizer::VisiblePrimitiveRep createCylinderWithoutTopBottom(const Point3D& origion,
+                                                                          const double radius,
+                                                                          const double length,
+                                                                          const int alignAxis)
     {
+        algoim::uvector3 ext = 3;
+        ext(alignAxis) = 1;
+
+        algoim::organizer::VisiblePrimitiveRep result;
+        result.tensors.resize(1, algoim::tensor3(nullptr, ext));
+        std::vector<algoim::SparkStack<algoim::real>*> resultTemp;
+        algoim::algoimSparkAllocHeapVector(resultTemp, result.tensors);
+        this->m_allPointer.push_back(resultTemp[0]);
+
         algoim::organizer::CylinderDesc cylinderDesc(origion.getUVector3Data(), radius, length, alignAxis);
         algoim::organizer::VisiblePrimitiveRep cylinder;
         cylinder.tensors.resize(3, algoim::tensor3(nullptr, 3));
-        std::vector<algoim::SparkStack<algoim::real>*> temp;
+        cylinder.tensors[0].ext_ = ext;
         algoim::algoim_spark_alloc(algoim::real, cylinder.tensors);
         algoim::organizer::makeCylinder(cylinderDesc, cylinder);
 
-        algoim::organizer::VisiblePrimitiveRep result;
-        result.tensors.resize(1, algoim::tensor3(nullptr, 3));
-        std::vector<algoim::SparkStack<algoim::real>*> resultTemp;
-        algoim::algoimSparkAllocHeapVector(temp, result.tensors);
-        this->m_allPointer.push_back(resultTemp[0]);
-        
         result.tensors[0] = cylinder.tensors[0];
         result.aabb = cylinder.aabb;
         result.subBlobTree.primitiveNodeIdx.push_back(0);
@@ -437,8 +472,8 @@ public:
         algoim::organizer::VisiblePrimitiveRep halfPlane;
         halfPlane.tensors.resize(1, algoim::tensor3(nullptr, 3));
         std::vector<algoim::SparkStack<algoim::real>*> temp;
-        algoim::algoim_spark_alloc(algoim::real, halfPlane.tensors);
-        algoim::organizer::makeHalfPlane(halfPlaneDesc , halfPlane);
+        algoim::algoimSparkAllocHeapVector(temp, halfPlane.tensors);
+        algoim::organizer::makeHalfPlane(halfPlaneDesc, halfPlane);
         this->m_allPointer.push_back(temp[0]);
 
         return halfPlane;
@@ -450,9 +485,103 @@ public:
      * @param[in] bulges All the bulge on each edge of the base face
      * @param[in] extusion The Stretch direction and length
      */
-    void addExtrudeWithTwoPoint(const std::vector<Point3D>& points, const std::vector<double>& bulges, const Vector3D& extusion)
+    BodyTag addExtrudeWithTwoPoint(const std::vector<Point3D>& points,
+                                   const std::vector<double>& bulges,
+                                   const Vector3D& extusion)
     {
+        assert(bulges[0] >= 0.0 && bulges[1] >= 0.0);
+
+        auto normal = Direction3D(extusion);
+        auto& point1 = points[0];
+        auto& point2 = points[1];
+        auto bulge1 = bulges[0];
+        auto bulge2 = bulges[1];
+
+        algoim::organizer::VisiblePrimitiveRep rep1, rep2, result;
 
+        auto halfDistance = point1.getDistance(point2) / 2.0;
+        auto middlePoint = point1.getMiddlePoint(point2);
+
+        auto middleToOrigion1 = normal.cross(Direction3D(point2 - point1));
+        auto middleToOrigion2 = normal.cross(Direction3D(point1 - point2));
+
+        /* Determine which axis is aligned */
+        int alignAxis;
+        if (normal.isParallel(Direction3D(1, 0, 0)))
+        {
+            alignAxis = 0;
+        }
+        else if (normal.isParallel(Direction3D(0, 1, 0)))
+        {
+            alignAxis = 1;
+        }
+        else if (normal.isParallel(Direction3D(0, 0, 1)))
+        {
+            alignAxis = 2;
+        }
+        else
+        {
+            throw std::runtime_error("Non align axis cylinder.");
+        }
+
+        auto getPrimitive = [this, normal, halfDistance, middlePoint, extusion, alignAxis](
+                                const Point3D& point1, const Point3D& point2, const double bulge) {
+            auto middleToOrigion = normal.cross(Direction3D(point2 - point1));
+            double sinHalfTheta = 2 * bulge / (1 + bulge * bulge);
+            double radius = halfDistance / sinHalfTheta;
+            double scalar = std::sqrt(radius * radius - halfDistance * halfDistance);
+            auto origion = middlePoint + middleToOrigion * scalar;
+
+            /* Create the cylinder face */
+            return this->createCylinderWithoutTopBottom(origion, radius, extusion.length(), alignAxis);
+        };
+
+        if (std::abs(bulge1) <= 1e-8)
+        {
+            assert(std::abs(bulge2) > 1e-8);
+            rep1 = this->createHalfPlane(point1, -Direction3D{middleToOrigion2});
+            rep2 = getPrimitive(point2, point1, bulge2);
+            result = this->intersectNode(rep1, rep2);
+        }
+        else if (std::abs(bulge2) <= 1e-8)
+        {
+            assert(std::abs(bulge1) > 1e-8);
+            rep1 = getPrimitive(point1, point2, bulge1);
+            rep2 = this->createHalfPlane(point2, -Direction3D{middleToOrigion1});
+            result = this->intersectNode(rep1, rep2);
+        }
+        else
+        {
+            rep1 = getPrimitive(point1, point2, bulge1);
+            rep2 = getPrimitive(point2, point1, bulge2);
+
+            /* if the bulge == 1 and bulge == 2, it is a cylinder */
+            if (std::abs(bulge1 - 1.0) < 1e-8 && std::abs(bulge2 - 1.0) < 1e-8)
+            {
+                result = getPrimitive(point1, point2, bulge1);
+            }
+            /* if the bulge1 and bulge2 has the same symbol, it is merge */
+            else if (bulge1 * bulge2 > 0.0)
+            {
+                result = this->intersectNode(rep1, rep2);
+            }
+            else if (bulge1 > 0.0)
+            {
+                result = this->differentNode(rep1, rep2);
+            }
+            else
+            {
+                result = this->differentNode(rep2, rep1);
+            }
+        }
+
+        auto halfPlane1 = createHalfPlane(points[0], -normal);
+        auto halfPlane2 = createHalfPlane(points[0] + extusion, normal);
+        result = this->unionNode(result, halfPlane1);
+        result = this->unionNode(result, halfPlane2);
+
+        this->m_allVisible.push_back(result);
+        return this->m_allVisible.size() - 1;
     }
 
     /**
@@ -461,14 +590,13 @@ public:
      * @param[in] bulges All the bulge on each edge of the base face
      * @param[in] extusion The Stretch direction and length
      */
-    void addExtrude(const std::vector<Point3D>& points, const std::vector<double>& bulges, const Vector3D& extusion)
+    BodyTag addExtrude(const std::vector<Point3D>& points, const std::vector<double>& bulges, const Vector3D& extusion)
     {
         int pointNumber = points.size();
         assert(pointNumber >= 2);
         if (pointNumber == 2)
         {
-            addExtrudeWithTwoPoint(points, bulges, extusion);
-            return;
+            return addExtrudeWithTwoPoint(points, bulges, extusion);
         }
 
         /* Get base polygonal column */
@@ -532,7 +660,7 @@ public:
                     flag = true;
                 }
             }
-            
+
             /* Determine which axis is aligned */
             int alignAxis;
             if (normal.isParallel(Direction3D(1, 0, 0)))
@@ -555,26 +683,23 @@ public:
             /* Create the cylinder face */
             auto cylinder = createCylinderWithoutTopBottom(origion, radius, extusion.length(), alignAxis);
 
-
             /* Perform union and difference operations on the basic prismatic faces */
             if (flag)
             {
                 /* Union */
                 /* cylinder - half plane */
                 auto halfPlane = createHalfPlane(middlePoint, middleToOrigion);
-                auto subtraction = this->intersectionNode(cylinder, halfPlane);
+                auto subtraction = this->intersectNode(cylinder, halfPlane);
 
                 /* base + (cylinder - column) */
                 base = this->unionNode(base, subtraction);
-
             }
             else
             {
                 /* difference */
                 /* base - cylinder */
-                base = this->differenceNode(base, cylinder);
+                base = this->differentNode(base, cylinder);
             }
-                        
         }
 
         auto halfPlane1 = createHalfPlane(points[0], -normal);
@@ -583,131 +708,57 @@ public:
         base = this->unionNode(base, halfPlane2);
 
         this->m_allVisible.push_back(base);
+
+        return this->m_allVisible.size() - 1;
+    }
+
+    BodyTag addCone(const Point3D& topPoint, const Point3D& bottomPoint, const double radius1, const double radius2)
+    {
+        auto bottomToTop = topPoint - bottomPoint;
+        auto normal = Direction3D{bottomToTop};
+
+        /* Determine which axis is aligned */
+        int alignAxis;
+        if (normal.isParallel(Direction3D(1, 0, 0)))
+        {
+            alignAxis = 0;
+        }
+        else if (normal.isParallel(Direction3D(0, 1, 0)))
+        {
+            alignAxis = 1;
+        }
+        else if (normal.isParallel(Direction3D(0, 0, 1)))
+        {
+            alignAxis = 2;
+        }
+        else
+        {
+            throw std::runtime_error("Non align axis cone.");
+        }
+
+        auto coneDesc = algoim::organizer::ConeDesc{bottomPoint.getUVector3Data(), radius1, radius2, alignAxis};
+        algoim::organizer::VisiblePrimitiveRep cone;
+        cone.tensors.resize(3, algoim::tensor3(nullptr, 3));
+        std::vector<algoim::SparkStack<algoim::real>*> temp;
+        algoim::algoimSparkAllocHeapVector(temp, cone.tensors);
+        algoim::organizer::makeCone(coneDesc, cone);
+
+        this->m_allVisible.push_back(cone);
+        for (auto& pointer : temp)
+        {
+            this->m_allPointer.push_back(pointer);
+        }
+
+        return this->m_allVisible.size() - 1;
+    }
+
+    void output(const BodyTag& tag)
+    {
+        auto rep = this->m_allVisible[tag];
+        auto result = rep.tensors[0].m(algoim::uvector3(0));
     }
 
 private:
     std::vector<algoim::organizer::VisiblePrimitiveRep> m_allVisible;
     std::vector<algoim::SparkStack<algoim::real>*> m_allPointer;
 };
-
-void test()
-{
-    Loader l;
-
-    std::vector<Point3D> points;
-    std::vector<double> bulges;
-    Vector3D extusion;
-
-    points.clear();
-    bulges.clear();
-    points.push_back(Point3D{-32450.000001122418 ,-3.8391231093737305e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{32449.999998877582 ,-3.8392495305561452e-07 ,0.0000000000000000 });
-    bulges.push_back(0.99999999999999989);
-    bulges.push_back(0.99999999999999989);
-    extusion = Vector3D{0.0000000000000000,0.0000000000000000,3300.0000000000000};
-    l.addExtrude(points, bulges, extusion);
-
-    points.clear();
-    bulges.clear();
-    points.push_back(Point3D{-32450.000001122418 ,-3.8391231093737305e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{32449.999998877582 ,-3.8392495305561452e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{33538.999998877582 ,-3.8392534654100421e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-33539.000001122418 ,-3.8391228016184551e-07 ,0.0000000000000000 });
-    bulges.push_back(0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    bulges.push_back(-0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    extusion = Vector3D{0.0000000000000000,0.0000000000000000,3300.0000000000000};
-    l.addExtrude(points, bulges, extusion);
-
-    points.clear();
-    bulges.clear();
-    points.push_back(Point3D{-32450.000001122418 ,-3.8391231093737305e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{32449.999998877582 ,-3.8392495305561452e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{33538.999998877582 ,-3.8392534654100421e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-33539.000001122418 ,-3.8391228016184551e-07 ,0.0000000000000000 });
-    bulges.push_back(0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    bulges.push_back(-0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    extusion = Vector3D{0.0000000000000000,0.0000000000000000,3300.0000000000000};
-    l.addExtrude(points, bulges, extusion);
-
-    points.clear();
-    bulges.clear();
-    points.push_back(Point3D{-32450.000001122418 ,-3.8391231093737305e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{32449.999998877582 ,-3.8392495305561452e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{33538.999998877582 ,-3.8392534654100421e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-33539.000001122418 ,-3.8391228016184551e-07 ,0.0000000000000000 });
-    bulges.push_back(0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    bulges.push_back(-0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    extusion = Vector3D{0.0000000000000000,0.0000000000000000,3300.0000000000000};
-    l.addExtrude(points, bulges, extusion);
-
-    points.clear();
-    bulges.clear();
-    points.push_back(Point3D{-32450.000001122418 ,-3.8391231093737305e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{32449.999998877582 ,-3.8392495305561452e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{33538.999998877582 ,-3.8392534654100421e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-33539.000001122418 ,-3.8391228016184551e-07 ,0.0000000000000000 });
-    bulges.push_back(0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    bulges.push_back(-0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    extusion = Vector3D{0.0000000000000000,0.0000000000000000,3300.0000000000000};
-    l.addExtrude(points, bulges, extusion);
-
-    points.clear();
-    bulges.clear();
-    points.push_back(Point3D{32449.999998877582 ,-3.8392495305561452e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-32450.000001122418 ,-3.8391231093737305e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-33539.000001122418 ,-3.8391191745198337e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{33538.999998877582 ,-3.8392498383114206e-07 ,0.0000000000000000 });
-    bulges.push_back(0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    bulges.push_back(-0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    extusion = Vector3D{0.0000000000000000,0.0000000000000000,3300.0000000000000};
-    l.addExtrude(points, bulges, extusion);
-
-    points.clear();
-    bulges.clear();
-    points.push_back(Point3D{32449.999998877582 ,-3.8392495305561452e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-32450.000001122418 ,-3.8391231093737305e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-33539.000001122418 ,-3.8391191745198337e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{33538.999998877582 ,-3.8392498383114206e-07 ,0.0000000000000000 });
-    bulges.push_back(0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    bulges.push_back(-0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    extusion = Vector3D{0.0000000000000000,0.0000000000000000,3300.0000000000000};
-    l.addExtrude(points, bulges, extusion);
-
-    points.clear();
-    bulges.clear();
-    points.push_back(Point3D{32449.999998877582 ,-3.8392495305561452e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-32450.000001122418 ,-3.8391231093737305e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-33539.000001122418 ,-3.8391191745198337e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{33538.999998877582 ,-3.8392498383114206e-07 ,0.0000000000000000 });
-    bulges.push_back(0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    bulges.push_back(-0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    extusion = Vector3D{0.0000000000000000,0.0000000000000000,3300.0000000000000};
-    l.addExtrude(points, bulges, extusion);
-
-    points.clear();
-    bulges.clear();
-    points.push_back(Point3D{32449.999998877582 ,-3.8392495305561452e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-32450.000001122418 ,-3.8391231093737305e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{-33539.000001122418 ,-3.8391191745198337e-07 ,0.0000000000000000 });
-    points.push_back(Point3D{33538.999998877582 ,-3.8392498383114206e-07 ,0.0000000000000000 });
-    bulges.push_back(0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    bulges.push_back(-0.99999999999999989);
-    bulges.push_back(0.0000000000000000);
-    extusion = Vector3D{0.0000000000000000,0.0000000000000000,3300.0000000000000};
-    l.addExtrude(points, bulges, extusion);
-}
\ No newline at end of file
diff --git a/algoim/organizer/minimalPrimitive.hpp b/algoim/organizer/minimalPrimitive.hpp
index 10c4647..18512bc 100644
--- a/algoim/organizer/minimalPrimitive.hpp
+++ b/algoim/organizer/minimalPrimitive.hpp
@@ -21,7 +21,7 @@ public:
         }
     }
 
-    void extend(const AABB& aabb)
+    void extend(const AABB& aabb) 
     {
         for (int i = 0; i < 3; ++i) {
             min(i) = std::min(min(i), aabb.min(i));
@@ -35,7 +35,7 @@ public:
 
     real volume() const { return prod(size()); }
 
-    bool intersect(const AABB& aabb) const
+    bool isIntersect(const AABB& aabb) const
     {
         for (int i = 0; i < 3; ++i) {
             if (min(i) > aabb.max(i) || max(i) < aabb.min(i)) { return false; }
@@ -43,11 +43,27 @@ public:
         return true;
     }
 
+	void intersect(const AABB& other)
+	{
+        for (int i = 0; i < 3; i++){
+            min(i) = std::max(min(i), other.min(i));
+            max(i) = std::min(max(i), other.max(i));
+		}
+	}
+
     void normalize(const uvector3& scale, const uvector3& boundaryMin)
     {
         min = (min - boundaryMin) / scale;
         max = (max - boundaryMin) / scale;
     }
+
+	void operator+=(const uvector3& offset)
+	{
+        for (int i = 0; i < 3; i++){
+            min(i) += offset(i);
+            max(i) += offset(i);
+		}
+	}
 };
 
 struct MinimalPrimitiveRep {
diff --git a/algoim/organizer/organizer.hpp b/algoim/organizer/organizer.hpp
index 1000543..5056e1a 100644
--- a/algoim/organizer/organizer.hpp
+++ b/algoim/organizer/organizer.hpp
@@ -394,7 +394,7 @@ void buildOcTreeV0(const Scene&             scene,
                 int aaa = 1;
                 int bbb = 1;
             }
-            if (!minimalRep.aabb.intersect(subNodes[subIdx].aabb)) {
+            if (!minimalRep.aabb.isIntersect(subNodes[subIdx].aabb)) {
                 // out of the subcell
                 organizer::traverse(subNodes[subIdx].blobTree, polyIntersectIndex, false);
                 continue;
@@ -418,7 +418,7 @@ void buildOcTreeV0(const Scene&             scene,
         }
     }
     if (subNodes[1].blobTree.structure[4].inOut != NODE_IN_OUT_UNKNOWN
-        & std::find(subNodes[1].polyIntersectIndices.begin(), subNodes[1].polyIntersectIndices.end(), 3)
+        && std::find(subNodes[1].polyIntersectIndices.begin(), subNodes[1].polyIntersectIndices.end(), 3)
               != subNodes[1].polyIntersectIndices.end()) {
         int aaa = 1;
         int bbb = 1;
diff --git a/examples/example_loader.cpp b/examples/example_loader.cpp
new file mode 100644
index 0000000..5037127
--- /dev/null
+++ b/examples/example_loader.cpp
@@ -0,0 +1,223 @@
+#include "organizer/loader.hpp"
+
+void loaderTest1()
+{
+    Loader loader;
+
+    std::vector<Point3D> points;
+    std::vector<double> bulges;
+    Vector3D extusion;
+    Point3D topPoint, bottomPoint, basePoint;
+    Direction3D direction;
+
+	double offset, radius1, radius2;
+
+    /* 体1 */
+    points.clear();
+    bulges.clear();
+    points.push_back(Point3D{-32450.000001122418, -3.8391231093737305e-07, 0.0000000000000000});
+    points.push_back(Point3D{32449.999998877582, -3.8392495305561452e-07, 0.0000000000000000});
+    bulges.push_back(0.99999999999999989);
+    bulges.push_back(0.99999999999999989);
+    extusion = Vector3D{0.0000000000000000, 0.0000000000000000, 3300.0000000000000};
+    auto tag1 = loader.addExtrude(points, bulges, extusion);
+
+	loader.output(tag1);
+
+    /* 体2 */
+    points.clear();
+    bulges.clear();
+    points.push_back(Point3D{-32450.000001122418, -3.8391231093737305e-07, 0.0000000000000000});
+    points.push_back(Point3D{32449.999998877582, -3.8392495305561452e-07, 0.0000000000000000});
+    points.push_back(Point3D{33538.999998877582, -3.8392534654100421e-07, 0.0000000000000000});
+    points.push_back(Point3D{-33539.000001122418, -3.8391228016184551e-07, 0.0000000000000000});
+    bulges.push_back(0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    bulges.push_back(-0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    extusion = Vector3D{0.0000000000000000, 0.0000000000000000, 3300.0000000000000};
+    auto tag2 = loader.addExtrude(points, bulges, extusion);
+
+    /* 体3 */
+    points.clear();
+    bulges.clear();
+    points.push_back(Point3D{-32450.000001122418, -3.8391231093737305e-07, 0.0000000000000000});
+    points.push_back(Point3D{32449.999998877582, -3.8392495305561452e-07, 0.0000000000000000});
+    points.push_back(Point3D{33538.999998877582, -3.8392534654100421e-07, 0.0000000000000000});
+    points.push_back(Point3D{-33539.000001122418, -3.8391228016184551e-07, 0.0000000000000000});
+    bulges.push_back(0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    bulges.push_back(-0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    extusion = Vector3D{0.0000000000000000, 0.0000000000000000, 3300.0000000000000};
+    auto tag3 = loader.addExtrude(points, bulges, extusion);
+
+    /* 体4 */
+    topPoint = Point3D{-1.1224183253943920e-06, -3.8391322798592142e-07, 0.0000000000000000};
+    bottomPoint = Point3D{-1.1224183253943920e-06, -3.8391322798592142e-07, 3300.0000000000000000};
+    radius1 = 32450.000000000000;
+    radius2 = 33539.000000000000;
+    auto tag4 = loader.addCone(topPoint, bottomPoint, radius1, radius2);
+
+    /* 体3被切割 */
+    basePoint = Point3D{-1.1224183253943920e-06, -3.8391322798592142e-07, 0.0000000000000000};
+    direction = Direction3D{0, 0, 1};
+    loader.split(tag3, basePoint, direction);
+
+    /* 体3和体4布尔差 */
+    loader.differentNode(tag3, tag4);
+
+    /* 体5 */
+    points.clear();
+    bulges.clear();
+    points.push_back(Point3D{-32450.000001122418, -3.8391231093737305e-07, 0.0000000000000000});
+    points.push_back(Point3D{32449.999998877582, -3.8392495305561452e-07, 0.0000000000000000});
+    points.push_back(Point3D{33538.999998877582, -3.8392534654100421e-07, 0.0000000000000000});
+    points.push_back(Point3D{-33539.000001122418, -3.8391228016184551e-07, 0.0000000000000000});
+    bulges.push_back(0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    bulges.push_back(-0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    extusion = Vector3D{0.0000000000000000, 0.0000000000000000, 3300.0000000000000};
+    auto tag5 = loader.addExtrude(points, bulges, extusion);
+
+    /* 体5被切割 */
+    basePoint = Point3D{-1.1224183253943920e-06, -3.8391322798592142e-07, 3300.0000000000000000};
+    direction = Direction3D{0, 0, 1};
+    loader.split(tag3, basePoint, direction);
+
+    /* 体3和体5布尔并 */
+    loader.unionNode(tag3, tag5);
+
+    /* 体6 */
+    points.clear();
+    bulges.clear();
+    points.push_back(Point3D{-32450.000001122418, -3.8391231093737305e-07, 0.0000000000000000});
+    points.push_back(Point3D{32449.999998877582, -3.8392495305561452e-07, 0.0000000000000000});
+    points.push_back(Point3D{33538.999998877582, -3.8392534654100421e-07, 0.0000000000000000});
+    points.push_back(Point3D{-33539.000001122418, -3.8391228016184551e-07, 0.0000000000000000});
+    bulges.push_back(0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    bulges.push_back(-0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    extusion = Vector3D{0.0000000000000000, 0.0000000000000000, 3300.0000000000000};
+    auto tag6 = loader.addExtrude(points, bulges, extusion);
+
+    /* 体6被切割 */
+    basePoint = Point3D{-1.1224183253943920e-06, -3.8391322798592142e-07, 3300.0000000000000000};
+    direction = Direction3D{0, 0, 1};
+    loader.split(tag6, basePoint, direction);
+
+    /* 体3和体6布尔并 */
+    loader.unionNode(tag3, tag6);
+
+    /* 体2和体3布尔差 */
+    loader.differentNode(tag2, tag3);
+
+    /* 体7 */
+    points.clear();
+    bulges.clear();
+    points.push_back(Point3D{32449.999998877582, -3.8392495305561452e-07, 0.0000000000000000});
+    points.push_back(Point3D{-32450.000001122418, -3.8391231093737305e-07, 0.0000000000000000});
+    points.push_back(Point3D{-33539.000001122418, -3.8391191745198337e-07, 0.0000000000000000});
+    points.push_back(Point3D{33538.999998877582, -3.8392498383114206e-07, 0.0000000000000000});
+    bulges.push_back(0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    bulges.push_back(-0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    extusion = Vector3D{0.0000000000000000, 0.0000000000000000, 3300.0000000000000};
+    auto tag7 = loader.addExtrude(points, bulges, extusion);
+
+    /* 体8 */
+    points.clear();
+    bulges.clear();
+    points.push_back(Point3D{32449.999998877582, -3.8392495305561452e-07, 0.0000000000000000});
+    points.push_back(Point3D{-32450.000001122418, -3.8391231093737305e-07, 0.0000000000000000});
+    points.push_back(Point3D{-33539.000001122418, -3.8391191745198337e-07, 0.0000000000000000});
+    points.push_back(Point3D{33538.999998877582, -3.8392498383114206e-07, 0.0000000000000000});
+    bulges.push_back(0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    bulges.push_back(-0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    extusion = Vector3D{0.0000000000000000, 0.0000000000000000, 3300.0000000000000};
+    auto tag8 = loader.addExtrude(points, bulges, extusion);
+
+    /* 体9 */
+    topPoint = Point3D{-1.1224183253943920e-06, -3.8392403600706615e-07, 0.0000000000000000};
+    bottomPoint = Point3D{-1.1224183253943920e-06, -3.8392403600706615e-07, 3300.0000000000000000};
+    radius1 = 32450.000000000000;
+    radius2 = 33539.000000000000;
+    auto tag9 = loader.addCone(topPoint, bottomPoint, radius1, radius2);
+
+    /* 体8被切割 */
+    basePoint = Point3D{-1.1224183253943920e-06, -3.8392403600706615e-07, 3300.0000000000000000};
+    direction = Direction3D{0, 0, 1};
+    loader.split(tag8, basePoint, direction);
+
+    /* 体8和体9布尔差 */
+    loader.differentNode(tag8, tag9);
+
+    /* 体10 */
+    points.clear();
+    bulges.clear();
+    points.push_back(Point3D{32449.999998877582, -3.8392495305561452e-07, 0.0000000000000000});
+    points.push_back(Point3D{-32450.000001122418, -3.8391231093737305e-07, 0.0000000000000000});
+    points.push_back(Point3D{-33539.000001122418, -3.8391191745198337e-07, 0.0000000000000000});
+    points.push_back(Point3D{33538.999998877582, -3.8392498383114206e-07, 0.0000000000000000});
+    bulges.push_back(0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    bulges.push_back(-0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    extusion = Vector3D{0.0000000000000000, 0.0000000000000000, 3300.0000000000000};
+    auto tag10 = loader.addExtrude(points, bulges, extusion);
+
+    /* 体10被切割 */
+    basePoint = Point3D{-1.1224183253943920e-06, -3.8392403600706615e-07, 3300.0000000000000000};
+    direction = Direction3D{0, 0, 1};
+    loader.split(tag10, basePoint, direction);
+
+    /* 体8和体10布尔并 */
+    loader.unionNode(tag8, tag10);
+
+    /* 体11 */
+    points.clear();
+    bulges.clear();
+    points.push_back(Point3D{32449.999998877582, -3.8392495305561452e-07, 0.0000000000000000});
+    points.push_back(Point3D{-32450.000001122418, -3.8391231093737305e-07, 0.0000000000000000});
+    points.push_back(Point3D{-33539.000001122418, -3.8391191745198337e-07, 0.0000000000000000});
+    points.push_back(Point3D{33538.999998877582, -3.8392498383114206e-07, 0.0000000000000000});
+    bulges.push_back(0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    bulges.push_back(-0.99999999999999989);
+    bulges.push_back(0.0000000000000000);
+    extusion = Vector3D{0.0000000000000000, 0.0000000000000000, 3300.0000000000000};
+    auto tag11 = loader.addExtrude(points, bulges, extusion);
+
+    /* 体11被切割 */
+    basePoint = Point3D{-1.1224183253943920e-06, -3.8392403600706615e-07, 3300.0000000000000000};
+    direction = Direction3D{0, 0, 1};
+    loader.split(tag11, basePoint, direction);
+
+	/* 体8和体11布尔并 */
+    loader.unionNode(tag8, tag11);
+
+	/* 体7和体8布尔差 */
+    loader.differentNode(tag7, tag8);
+
+	/* 体2和体7布尔并 */
+    loader.unionNode(tag2, tag7);
+
+	/* 体1和体2布尔并 */
+    loader.unionNode(tag1, tag2);
+
+	/* 体1 Z轴偏移 -3600 */
+    direction = Direction3D{0, 0, 1};
+    offset = -3600;
+    loader.offset(tag1, direction, offset);
+}
+
+int main(int argc, char** argv)
+{
+    loaderTest1();
+    return 0;
+}