diff --git a/application/main.cpp b/application/main.cpp
index a3ab2a3..286ac37 100644
--- a/application/main.cpp
+++ b/application/main.cpp
@@ -17,25 +17,25 @@ int main()
     auto node_iter1       = blobtree_add_primitive_node(runtime_blobtree, cylinder);
     auto node_iter2       = blobtree_add_primitive_node(runtime_blobtree, sphere1);
     auto node_iter3       = blobtree_add_operation_node(runtime_blobtree, node_iter1, node_iter2, INTERSECTION_OP);
-    // auto baked_blobtree   = bake_blobtree(runtime_blobtree);
-    // destroy_blobtree(runtime_blobtree);
+    auto baked_blobtree   = bake_blobtree(runtime_blobtree);
+    destroy_blobtree(runtime_blobtree);
 
-    // std::cout << "blobtree created..." << std::endl;
+    std::cout << "blobtree created..." << std::endl;
 
-    // s_settings settings{};
-    // settings.resolution                         = 21;
-    // settings.scene_aabb_margin                  = 1e-5;
-    // settings.restricted_primitive_bounding_test = true;
-    // auto solver                                 = create_solver(baked_blobtree, settings);
+    s_settings settings{};
+    settings.resolution                         = 21;
+    settings.scene_aabb_margin                  = 1e-5;
+    settings.restricted_primitive_bounding_test = true;
+    auto solver                                 = create_solver(baked_blobtree, settings);
 
-    // auto result = generate_polymesh(solver);
-    // print_statistics(solver);
+    auto result = generate_polymesh(solver);
+    print_statistics(solver);
 
-    // destroy_solver(solver);
-    // destroy_baked_blobtree(baked_blobtree);
-    // destroy_primitive(sphere1);
-    // destroy_primitive(cylinder);
-    // destroy_primitive_data_center(primitive_data_center);
+    destroy_solver(solver);
+    destroy_baked_blobtree(baked_blobtree);
+    destroy_primitive(sphere1);
+    destroy_primitive(cylinder);
+    destroy_primitive_data_center(primitive_data_center);
 
     return 0;
 }
\ No newline at end of file
diff --git a/blobtree_structure/src/internal_structs.cpp b/blobtree_structure/src/internal_structs.cpp
index d91e39e..c617a93 100644
--- a/blobtree_structure/src/internal_structs.cpp
+++ b/blobtree_structure/src/internal_structs.cpp
@@ -22,11 +22,11 @@ bool runtime_node_t::is_operation_node() const noexcept { return node_data.get_p
 
 bool runtime_node_t::is_primitive_node() const noexcept { return !is_operation_node(); }
 
-bool runtime_node_t::is_parent_null() const noexcept { return parent; }
+bool runtime_node_t::is_parent_null() const noexcept { return !parent; }
 
-bool runtime_node_t::is_left_child_null() const noexcept { return left_child; }
+bool runtime_node_t::is_left_child_null() const noexcept { return !left_child; }
 
-bool runtime_node_t::is_right_child_null() const noexcept { return right_child; }
+bool runtime_node_t::is_right_child_null() const noexcept { return !right_child; }
 
 bool runtime_node_t::set_parent(pointer_wrapper<runtime_node_t> _parent) noexcept
 {
diff --git a/primitive_process/src/base/primitive.cpp b/primitive_process/src/base/primitive.cpp
index 94b9514..f76cf47 100644
--- a/primitive_process/src/base/primitive.cpp
+++ b/primitive_process/src/base/primitive.cpp
@@ -34,7 +34,7 @@ void primitive::destroy()
 {
     auto subfaces      = get_subfaces();
     auto subface_types = get_subface_types();
-    assert(subfaces.front());
+    assert(subfaces.front().get_ptr() != nullptr);
 
     auto data_center = subfaces.front()->data_center;
     assert(data_center);
diff --git a/primitive_process/src/data/data_center.cpp b/primitive_process/src/data/data_center.cpp
index 98597bf..b885e80 100644
--- a/primitive_process/src/data/data_center.cpp
+++ b/primitive_process/src/data/data_center.cpp
@@ -31,6 +31,7 @@ void primitive_data_center_t::require_surface(surface_type
                                               const internal::paired_model_matrix_ptr_t& matrix,
                                               marked_subface_ptr_t<subface>&             subface)
 {
+    require_transform_block(matrix);
     switch (type) {
         case surface_type::plane: {
             auto [iter, is_new] = std::get<plane_container_t>(this->surfaces[static_cast<uint8_t>(type)]).acquire(matrix);
@@ -68,30 +69,24 @@ void primitive_data_center_t::release_transform_block(const internal::paired_mod
 void primitive_data_center_t::release_surface(surface_type type, const marked_subface_ptr_t<subface>& subface)
 {
     switch (type) {
-        case surface_type::plane:
-        {
+        case surface_type::plane: {
             auto model_matrices = subface->model_matrices;
             std::get<plane_container_t>(this->surfaces[static_cast<uint8_t>(type)]).release(model_matrices);
-            release_transform_block(model_matrices);
             break;
         }
-        case surface_type::sphere:
-        {
+        case surface_type::sphere: {
             auto model_matrices = subface->model_matrices;
             std::get<sphere_container_t>(this->surfaces[static_cast<uint8_t>(type)]).release(model_matrices);
-            release_transform_block(model_matrices);
             break;
         }
-        case surface_type::cylinder:
-        {
+        case surface_type::cylinder: {
             auto model_matrices = subface->model_matrices;
             std::get<cylinder_container_t>(this->surfaces[static_cast<uint8_t>(type)]).release(model_matrices);
-            release_transform_block(model_matrices);
             break;
         }
-        default:
-            break;
+        default: break;
     }
+    release_transform_block(subface->model_matrices);
 }
 
 namespace internal