diff --git a/raytracing/CMakeLists.txt b/raytracing/CMakeLists.txt
index 8407a0e..366622d 100644
--- a/raytracing/CMakeLists.txt
+++ b/raytracing/CMakeLists.txt
@@ -15,7 +15,7 @@ add_library(raytracing
     src/intersection.cpp
     src/intersections.cpp
     src/matrix.cpp
-    src/object.cpp
+    src/shape.cpp
     src/ray.cpp
     src/sphere.cpp
     src/tuple.cpp
diff --git a/raytracing/src/intersection.cpp b/raytracing/src/intersection.cpp
index bdf223c..869c453 100644
--- a/raytracing/src/intersection.cpp
+++ b/raytracing/src/intersection.cpp
@@ -36,16 +36,16 @@ using namespace Raytracer;
 
 /* ------------------------------------------------------------------------- */
 
-Intersection::Intersection(void) : m_is_nothing(true), m_distance_t(0.0), m_object()
+Intersection::Intersection(void) : m_is_nothing(true), m_distance_t(0.0), m_shape()
 {
 }
 
 /* ------------------------------------------------------------------------- */
 
-Intersection::Intersection(double a_distance_t, const Object &an_object) :
+Intersection::Intersection(double a_distance_t, const Shape &a_shape) :
     m_is_nothing(false),
     m_distance_t(a_distance_t),
-    m_object(an_object)
+    m_shape(a_shape)
 {
 }
 
@@ -54,7 +54,7 @@ Intersection::Intersection(double a_distance_t, const Object &an_object) :
 Intersection::Intersection(Intersection &an_intersection) :
     m_is_nothing(an_intersection.m_is_nothing),
     m_distance_t(an_intersection.m_distance_t),
-    m_object(an_intersection.m_object)
+    m_shape(an_intersection.m_shape)
 {
 }
 
@@ -63,7 +63,7 @@ Intersection::Intersection(Intersection &an_intersection) :
 Intersection::Intersection(const Intersection &an_intersection) :
     m_is_nothing(an_intersection.m_is_nothing),
     m_distance_t(an_intersection.m_distance_t),
-    m_object(an_intersection.m_object)
+    m_shape(an_intersection.m_shape)
 {
 }
 
@@ -78,7 +78,7 @@ const Intersection &Intersection::operator=(const Intersection &an_intersection)
 
     m_is_nothing = an_intersection.m_is_nothing;
     m_distance_t = an_intersection.m_distance_t;
-    m_object     = an_intersection.m_object;
+    m_shape      = an_intersection.m_shape;
 
     return *this;
 }
@@ -87,7 +87,7 @@ const Intersection &Intersection::operator=(const Intersection &an_intersection)
 
 bool Intersection::operator==(const Intersection &an_other) const
 {
-    return (double_equal(m_distance_t, an_other.m_distance_t) && (m_object == an_other.m_object));
+    return (double_equal(m_distance_t, an_other.m_distance_t) && (m_shape == an_other.m_shape));
 }
 
 /* ------------------------------------------------------------------------- */
@@ -141,9 +141,9 @@ double Intersection::distance_t(void) const
 
 /* ------------------------------------------------------------------------- */
 
-const Object &Intersection::object(void) const
+const Shape &Intersection::object(void) const
 {
-    return m_object;
+    return m_shape;
 }
 
 /* ------------------------------------------------------------------------- */
diff --git a/raytracing/src/intersection.h b/raytracing/src/intersection.h
index 8f56295..fae3b52 100644
--- a/raytracing/src/intersection.h
+++ b/raytracing/src/intersection.h
@@ -28,7 +28,7 @@
 
 /* ------------------------------------------------------------------------- */
 
-#include "object.h"
+#include "shape.h"
 
 /* ------------------------------------------------------------------------- */
 
@@ -40,7 +40,7 @@ namespace Raytracer
     {
     public:
         Intersection(void);
-        Intersection(double a_distance_t, const Object &an_object);
+        Intersection(double a_distance_t, const Shape &a_shape);
         Intersection(Intersection &an_intersection);
         Intersection(const Intersection &an_intersection);
 
@@ -55,14 +55,14 @@ namespace Raytracer
         bool operator<=(double a_distance) const;
 
         double distance_t(void) const;
-        const Object &object(void) const;
+        const Shape &object(void) const;
         bool is_nothing(void);
         bool is_defined(void);
 
     private:
         bool m_is_nothing;
         double m_distance_t;
-        Object m_object;
+        Shape m_shape;
     };
 }; // namespace Raytracer
 
diff --git a/raytracing/src/object.cpp b/raytracing/src/shape.cpp
similarity index 75%
rename from raytracing/src/object.cpp
rename to raytracing/src/shape.cpp
index 04cb7cc..b3ef4ed 100644
--- a/raytracing/src/object.cpp
+++ b/raytracing/src/shape.cpp
@@ -1,5 +1,5 @@
 /*!
- * object.cpp
+ * shape.cpp
  *
  * Copyright (c) 2024, NADAL Jean-Baptiste. All rights reserved.
  *
@@ -30,7 +30,7 @@
 
 #include "intersections.h"
 
-#include "object.h"
+#include "shape.h"
 
 using namespace Raytracer;
 
@@ -38,72 +38,72 @@ using namespace Raytracer;
 
 #define kNothing 0
 
-uint32_t Object::s_current_index = 0;
+uint32_t Shape::s_current_index = 0;
 
 /* ------------------------------------------------------------------------- */
 
-Object::Object(void) : m_id(kNothing), m_transform(Matrix::identity())
+Shape::Shape(void) : m_id(kNothing), m_transform(Matrix::identity())
 {
 }
 
 /* ------------------------------------------------------------------------- */
 
-Object::Object(Object &a_copy) : m_id(a_copy.m_id), m_transform(Matrix::identity())
+Shape::Shape(Shape &a_copy) : m_id(a_copy.m_id), m_transform(Matrix::identity())
 {
 }
 
 /* ------------------------------------------------------------------------- */
 
-Object::Object(const Object &a_copy) : m_id(a_copy.m_id), m_transform(Matrix::identity())
+Shape::Shape(const Shape &a_copy) : m_id(a_copy.m_id), m_transform(Matrix::identity())
 {
 }
 
 /* ------------------------------------------------------------------------- */
 
-const Object &Object::operator=(const Object &an_other)
+const Shape &Shape::operator=(const Shape &a_shape)
 {
-    if (this == &an_other)
+    if (this == &a_shape)
     {
         return *this;
     }
 
-    m_id        = an_other.m_id;
-    m_transform = an_other.m_transform;
+    m_id        = a_shape.m_id;
+    m_transform = a_shape.m_transform;
 
     return *this;
 }
 
 /* ------------------------------------------------------------------------- */
 
-bool Object::operator==(const Object &an_object) const
+bool Shape::operator==(const Shape &a_shape) const
 {
-    return (m_id == an_object.m_id) && (m_transform == an_object.m_transform);
+    return (m_id == a_shape.m_id) && (m_transform == a_shape.m_transform);
 }
 
 /* ------------------------------------------------------------------------- */
 
-bool Object::is_nothing(void)
+bool Shape::is_nothing(void)
 {
     return (m_id == kNothing);
 }
 
 /* ------------------------------------------------------------------------- */
 
-Matrix &Object::transform(void)
+Matrix &Shape::transform(void)
 {
     return m_transform;
 }
 
 /* ------------------------------------------------------------------------- */
 
-void Object::set_transform(const Matrix &a_transform_matrix)
+void Shape::set_transform(const Matrix &a_transform_matrix)
 {
     m_transform = a_transform_matrix;
 }
 
 /* ------------------------------------------------------------------------- */
 
-Tuple Object::normal_at(const Tuple &a_point)
+Tuple Shape::normal_at(const Tuple &a_point)
 {
     Tuple the_result = a_point - Tuple::Point(0, 0, 0);
     return the_result.normalize();
@@ -111,7 +111,7 @@ Tuple Object::normal_at(const Tuple &a_point)
 
 /* ------------------------------------------------------------------------- */
 
-Intersections Object::intersect(Ray &a_ray)
+Intersections Shape::intersect(Ray &a_ray)
 {
     Intersections the_ret;
 
@@ -120,7 +120,7 @@ Intersections Object::intersect(Ray &a_ray)
 
 /* ------------------------------------------------------------------------- */
 
-void Object::inc_id(void)
+void Shape::inc_id(void)
 {
     m_id = s_current_index++;
 }
diff --git a/raytracing/src/object.h b/raytracing/src/shape.h
similarity index 83%
rename from raytracing/src/object.h
rename to raytracing/src/shape.h
index 5bba391..c1818df 100644
--- a/raytracing/src/object.h
+++ b/raytracing/src/shape.h
@@ -1,5 +1,5 @@
 /*!
- * intersection.h
+ * shape.h
  *
  * Copyright (c) 2024, NADAL Jean-Baptiste. All rights reserved.
  *
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _RAYTRACER_OBJECT_H
-#define _RAYTRACER_OBJECT_H
+#ifndef _RAYTRACER_SHAPE_H
+#define _RAYTRACER_SHAPE_H
 
 /* ------------------------------------------------------------------------- */
 
@@ -41,15 +41,15 @@ namespace Raytracer
 
     /* ------------------------------------------------------------------------- */
 
-    class Object
+    class Shape
     {
     public:
-        Object(void);
-        Object(Object &a_copy);
-        Object(const Object &a_copy);
+        Shape(void);
+        Shape(Shape &a_copy);
+        Shape(const Shape &a_copy);
 
-        const Object &operator=(const Object &an_other);
-        bool operator==(const Object &an_object) const;
+        const Shape &operator=(const Shape &a_shape);
+        bool operator==(const Shape &a_shape) const;
 
         bool is_nothing(void);
 
@@ -70,4 +70,4 @@ namespace Raytracer
     };
 }; // namespace Raytracer
 
-#endif // _RAYTRACER_OBJECT_H
+#endif // _RAYTRACER_SHAPE_H
diff --git a/raytracing/src/sphere.h b/raytracing/src/sphere.h
index b5567bc..0cae882 100644
--- a/raytracing/src/sphere.h
+++ b/raytracing/src/sphere.h
@@ -28,13 +28,13 @@
 
 /* ------------------------------------------------------------------------- */
 
-#include "object.h"
+#include "shape.h"
 
 /* ------------------------------------------------------------------------- */
 
 namespace Raytracer
 {
-    class Sphere : public Object
+    class Sphere : public Shape
     {
     public:
         Sphere(void);