diff --git a/basic-geometry-dev/affine3.c b/basic-geometry-dev/affine3.c
new file mode 100644
index 0000000..934bd92
--- /dev/null
+++ b/basic-geometry-dev/affine3.c
@@ -0,0 +1,156 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <basic-geometry.h>
+#include "affine3.h"
+
+#ifdef _WIN64
+#include <windows.h>
+#else
+#include <time.h>
+#endif // _WINDOWS_
+
+BgcAffine3FP32* _create_bgc_affine3_list(int affine_amount)
+{
+    BgcAffine3FP32* affines = malloc(affine_amount * sizeof(BgcAffine3FP32));
+
+    if (affines == 0) {
+        return 0;
+    }
+
+    for (int i = 0; i < affine_amount; i++) {
+        bgc_affine3_reset_fp32(&affines[i]);
+    }
+
+    return affines;
+}
+
+float get_random_value_fp32()
+{
+    return rand() * (2.0f / RAND_MAX) - 1.0f;
+}
+
+BgcAffine3FP32* _create_bgc_affine3_random_list(int affine_amount)
+{
+    BgcAffine3FP32* affines = malloc(affine_amount * sizeof(BgcAffine3FP32));
+
+    if (affines == 0) {
+        return 0;
+    }
+
+    BgcPosition3FP32 position;
+
+    for (int i = 0; i < affine_amount; i++) {
+        bgc_versor_set_values_fp32(
+            get_random_value_fp32(),
+            get_random_value_fp32(),
+            get_random_value_fp32(),
+            get_random_value_fp32(),
+            &position.turn
+        );
+
+        position.shift.x1 = get_random_value_fp32();
+        position.shift.x2 = get_random_value_fp32();
+        position.shift.x3 = get_random_value_fp32();
+
+        bgc_position3_get_affine3_map_fp32(&position, &affines[i]);
+    }
+
+    return affines;
+}
+
+BgcVector3FP32* _create_bgc_vector3_list(int amount)
+{
+    return malloc(amount * sizeof(BgcVector3FP32));
+}
+
+BgcVector3FP32* _create_bgc_vector3_random_list(int amount)
+{
+    BgcVector3FP32* vectors = _create_bgc_vector3_list(amount);
+
+    if (vectors == 0) {
+        return 0;
+    }
+
+    for (int i = 0; i < amount; i++) {
+        vectors[i].x1 = get_random_value_fp32();
+        vectors[i].x2 = get_random_value_fp32();
+        vectors[i].x3 = get_random_value_fp32();
+    }
+
+    return vectors;
+}
+
+float test_bgc_affine3_performance(int affine_amount, int vector_per_affine)
+{
+    BgcAffine3FP32* affines;
+    BgcVector3FP32* source_vectors;
+    BgcVector3FP32* result_vectors;
+
+    int vector_index = 0;
+    float time = -1.0f;
+
+#ifdef _WIN64
+    ULONGLONG start, end;
+
+    start = GetTickCount64();
+
+    srand((unsigned int)(start & 0xfffffff));
+#else
+    struct timespec start, end;
+    clock_gettime(0, &start);
+    srand((unsigned int)(start.tv_nsec & 0xfffffff));
+#endif // _WIN64
+
+    affines = _create_bgc_affine3_random_list(affine_amount);
+
+    if (affines == 0) {
+        return time;
+    }
+
+    source_vectors = _create_bgc_vector3_random_list(affine_amount * vector_per_affine);
+
+    if (source_vectors == 0) {
+        free(affines);
+        return time;
+    }
+
+    result_vectors = _create_bgc_vector3_list(affine_amount * vector_per_affine);
+
+    if (result_vectors == 0) {
+        free(source_vectors);
+        free(affines);
+        return time;
+    }
+
+#ifdef _WIN64
+    start = GetTickCount64();
+#else
+    clock_gettime(CLOCK_REALTIME, &start);
+#endif // _WIN64
+
+    for (int i = 0; i < affine_amount; i++)
+    {
+        for (int j = 0; j < vector_per_affine; j++) {
+            bgc_affine3_transform_point_fp32(&affines[i], &source_vectors[vector_index], &result_vectors[vector_index]);
+            vector_index++;
+        }
+    }
+
+#ifdef _WIN64
+    end = GetTickCount64();
+
+    time = (end - start) * 0.001f;
+#else
+    clock_gettime(CLOCK_REALTIME, &end);
+
+    time = (float)(end.tv_sec - start.tv_sec) + (end.tv_nsec - start.tv_nsec) * 0.000000001f;
+#endif // _WIN64
+
+    printf("Result vector [0] = (%f, %f, %f)\n", result_vectors[0].x1, result_vectors[0].x2, result_vectors[0].x3);
+
+    free(result_vectors);
+    free(source_vectors);
+    free(affines);
+
+    return time;
+}
\ No newline at end of file
diff --git a/basic-geometry-dev/affine3.h b/basic-geometry-dev/affine3.h
new file mode 100644
index 0000000..d805692
--- /dev/null
+++ b/basic-geometry-dev/affine3.h
@@ -0,0 +1,6 @@
+#ifndef _BGC_DEV_AFFINE3_H_
+#define _BGC_DEV_AFFINE3_H_
+
+float test_bgc_affine3_performance(int affine_amount, int vector_per_affine);
+
+#endif
diff --git a/basic-geometry-dev/basic-geometry-dev.vcxproj b/basic-geometry-dev/basic-geometry-dev.vcxproj
index a59cbf8..ea906eb 100644
--- a/basic-geometry-dev/basic-geometry-dev.vcxproj
+++ b/basic-geometry-dev/basic-geometry-dev.vcxproj
@@ -20,12 +20,16 @@
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="main.c" />
+    <ClCompile Include="affine3.c" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\basic-geometry\basic-geometry.vcxproj">
       <Project>{40ca6fb4-135f-4d54-a8d9-7338ba56e6a7}</Project>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="affine3.h" />
+  </ItemGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>16.0</VCProjectVersion>
     <Keyword>Win32Proj</Keyword>
diff --git a/basic-geometry-dev/basic-geometry-dev.vcxproj.filters b/basic-geometry-dev/basic-geometry-dev.vcxproj.filters
index 48814f7..e073d59 100644
--- a/basic-geometry-dev/basic-geometry-dev.vcxproj.filters
+++ b/basic-geometry-dev/basic-geometry-dev.vcxproj.filters
@@ -18,5 +18,13 @@
     <ClCompile Include="main.c">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
+    <ClCompile Include="affine3.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="affine3.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/basic-geometry-dev/main.c b/basic-geometry-dev/main.c
index bf970ae..04912ed 100644
--- a/basic-geometry-dev/main.c
+++ b/basic-geometry-dev/main.c
@@ -469,10 +469,7 @@ void test_basis_difference_fp64()
     print_versor_fp64(&turn);
 }
 
-typedef union {
-    int si32;
-    float fp32;
-} uni_number;
+#include "affine3.h"
 
 int main()
 {
@@ -490,11 +487,11 @@ int main()
     */
     //test_basis_difference_fp64();
 
-    uni_number number;
+    printf("Affine3 performance test: %f\n", test_bgc_affine3_performance(10000000, 10));
 
-    number.fp32 = 1.0f;
-
-    printf("%x\n", number.si32);
+    printf("sizeof(BgcAffine3FP32)   = %zu\n", sizeof(BgcAffine3FP32));
+    //printf("offsetof(shift)         = %zu\n", offsetof(BgcAffine3FP32, shift));
+    printf("sizeof(BgcMatrix3x3FP32) = %zu\n", sizeof(BgcMatrix3x3FP32));
 
     return 0;
 }
diff --git a/basic-geometry/affine3.h b/basic-geometry/affine3.h
index 6500cb0..161bbf5 100644
--- a/basic-geometry/affine3.h
+++ b/basic-geometry/affine3.h
@@ -279,9 +279,9 @@ inline void bgc_affine3_transform_point_fp32(const BgcAffine3FP32 * affine, cons
     bgc_matrix3x3_get_right_product_fp32(&affine->distortion, initial_point, &distorted);
     bgc_vector3_add_fp32(&affine->shift, &distorted, transformed_point);
 #else
-    const float x1 = affine->r1c1 * initial_point->x1 + affine->r1c2 * initial_point->x2 + affine->r1c3 * initial_point->x3 + affine->shift1;
-    const float x2 = affine->r2c1 * initial_point->x1 + affine->r2c2 * initial_point->x2 + affine->r2c3 * initial_point->x3 + affine->shift2;
-    const float x3 = affine->r3c1 * initial_point->x1 + affine->r3c2 * initial_point->x2 + affine->r3c3 * initial_point->x3 + affine->shift3;
+    const float x1 = (affine->r1c1 * initial_point->x1 + affine->r1c2 * initial_point->x2) + (affine->r1c3 * initial_point->x3 + affine->shift1);
+    const float x2 = (affine->r2c1 * initial_point->x1 + affine->r2c2 * initial_point->x2) + (affine->r2c3 * initial_point->x3 + affine->shift2);
+    const float x3 = (affine->r3c1 * initial_point->x1 + affine->r3c2 * initial_point->x2) + (affine->r3c3 * initial_point->x3 + affine->shift3);
 
     transformed_point->x1 = x1;
     transformed_point->x2 = x2;
diff --git a/basic-geometry/basic-geometry.vcxproj b/basic-geometry/basic-geometry.vcxproj
index 11eab0f..571c855 100644
--- a/basic-geometry/basic-geometry.vcxproj
+++ b/basic-geometry/basic-geometry.vcxproj
@@ -19,6 +19,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="affine3.h" />
     <ClInclude Include="angle.h" />
     <ClInclude Include="basic-geometry.h" />
     <ClInclude Include="complex.h" />
@@ -38,6 +39,7 @@
     <ClInclude Include="vector3.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="affine3.c" />
     <ClCompile Include="angle.c" />
     <ClInclude Include="complex.c" />
     <ClInclude Include="cotes-number.c" />
diff --git a/basic-geometry/basic-geometry.vcxproj.filters b/basic-geometry/basic-geometry.vcxproj.filters
index cc4282f..79ea2e7 100644
--- a/basic-geometry/basic-geometry.vcxproj.filters
+++ b/basic-geometry/basic-geometry.vcxproj.filters
@@ -72,6 +72,9 @@
     <ClInclude Include="types.h">
       <Filter>Файлы заголовков</Filter>
     </ClInclude>
+    <ClInclude Include="affine3.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="angle.c">
@@ -113,5 +116,8 @@
     <ClCompile Include="slerp.c">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
+    <ClCompile Include="affine3.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/basic-geometry/utilities.h b/basic-geometry/utilities.h
index 46c713f..03ad443 100644
--- a/basic-geometry/utilities.h
+++ b/basic-geometry/utilities.h
@@ -47,7 +47,7 @@
 #define BGC_AXIS_REVERSE_X3 -3
 
 #if !defined(BGC_AFFINE_USE_MATRIX)
-#define BGC_AFFINE_USE_MATRIX 0
+#define BGC_AFFINE_USE_MATRIX 1
 #endif
 
 inline int bgc_is_correct_axis(const int axis)