diff --git a/network_process/src/process.cpp b/network_process/src/process.cpp
index 36fea8c..22c6845 100644
--- a/network_process/src/process.cpp
+++ b/network_process/src/process.cpp
@@ -106,10 +106,6 @@ ISNP_API void build_implicit_network_by_blobtree(const s_settings&
         {
             arrangement_cells.reserve(shells.size());
             for (uint32_t i = 0; i < shells.size(); ++i) { arrangement_cells.emplace_back(stl_vector_mp<uint32_t>{i}); }
-            shell_to_cell.resize(shells.size());
-            for (uint32_t i = 0; i < arrangement_cells.size(); i++) {
-                for (auto shell : arrangement_cells[i]) shell_to_cell[shell] = i;
-            }
         } else {
             {
                 stl_vector_mp<std::pair<uint32_t, uint32_t>> shell_links{};
@@ -129,6 +125,10 @@ ISNP_API void build_implicit_network_by_blobtree(const s_settings&
                 compute_arrangement_cells(static_cast<uint32_t>(shells.size()), shell_links, arrangement_cells);
             }
         }
+        shell_to_cell.resize(shells.size());
+        for (uint32_t i = 0; i < arrangement_cells.size(); i++) {
+            for (auto shell : arrangement_cells[i]) shell_to_cell[shell] = i;
+        }
         // post process
         {
             dynamic_bitset_mp<> active_cell_label{};
diff --git a/primitive_process/interface/data/data_type.hpp b/primitive_process/interface/data/data_type.hpp
index e5ce164..7348ad2 100644
--- a/primitive_process/interface/data/data_type.hpp
+++ b/primitive_process/interface/data/data_type.hpp
@@ -25,7 +25,17 @@ const auto                plane_to_z_pos_1_model_matrix = []() {
     res.world_to_local.linear().col(2) = Eigen::Vector3d{1, 0, 0};
     res.world_to_local.translation()   = Eigen::Vector3d{-1, 0, 0};
     res.local_to_world                 = res.world_to_local;
-    res.local_to_world.translation()   = Eigen::Vector3d{1, 0, 0};
+    res.local_to_world.translation()   = Eigen::Vector3d{0, 0, 1};
+    return res;
+}();
+const auto                plane_to_z_model_matrix = []() {
+    paired_model_matrix res{};
+    Eigen::Matrix3d::Identity();
+    res.world_to_local.linear().col(0) = Eigen::Vector3d{0, 0, 1};
+    res.world_to_local.linear().col(1) = Eigen::Vector3d{0, 1, 0};
+    res.world_to_local.linear().col(2) = Eigen::Vector3d{1, 0, 0};
+    res.world_to_local.translation()   = Eigen::Vector3d{0, 0, 0};
+    res.local_to_world                 = res.world_to_local;
     return res;
 }();
 const auto plane_to_z_neg_1_model_matrix = []() {
@@ -35,7 +45,7 @@ const auto plane_to_z_neg_1_model_matrix = []() {
     res.world_to_local.linear().col(2) = Eigen::Vector3d{1, 0, 0};
     res.world_to_local.translation()   = Eigen::Vector3d{1, 0, 0};
     res.local_to_world                 = res.world_to_local;
-    res.local_to_world.translation()   = Eigen::Vector3d{-1, 0, 0};
+    res.local_to_world.translation()   = Eigen::Vector3d{0, 0, -1};
     return res;
 }();
 
diff --git a/primitive_process/src/primitive/simple/cylinder.cpp b/primitive_process/src/primitive/simple/cylinder.cpp
index 32243c9..da6c6c5 100644
--- a/primitive_process/src/primitive/simple/cylinder.cpp
+++ b/primitive_process/src/primitive/simple/cylinder.cpp
@@ -4,7 +4,7 @@ namespace internal
 {
 void cylinder_t::initialize(primitive_data_center_t &data_center)
 {
-    auto [bottom_plane_iter, _] = data_center.transform_blocks.acquire(internal::plane_to_z_neg_1_model_matrix);
+    auto [bottom_plane_iter, _] = data_center.transform_blocks.acquire(internal::plane_to_z_model_matrix);
     auto [cylinder_iter, __]    = data_center.transform_blocks.acquire(internal::identity_model_matrix);
     auto [top_plane_iter, ___]  = data_center.transform_blocks.acquire(internal::plane_to_z_pos_1_model_matrix);
     initialize(data_center,