diff --git a/SCE/SCE/3d.cpp b/SCE/SCE/3d.cpp
new file mode 100644
index 0000000..eb6e7d2
--- /dev/null
+++ b/SCE/SCE/3d.cpp
@@ -0,0 +1,2 @@
+#include "3d.h"
+
diff --git a/SCE/SCE/3d.h b/SCE/SCE/3d.h
new file mode 100644
index 0000000..f8cce08
--- /dev/null
+++ b/SCE/SCE/3d.h
@@ -0,0 +1,44 @@
+#include <vector>
+using namespace std;
+
+class Body
+{
+private:
+	long double volume;
+	long double mass;
+	long double electric_resistance;
+	vector<long double> heights;
+	vector<long double> densities;
+	vector<long double> resistances;
+//Virtual compute functions
+	virtual long double compute_volume(){};
+	virtual long double compute_mass(){};
+	virtual long double compute_electric_resistamce(){};
+
+public:
+//Set
+	void set_volume(long double v) { volume = v; };
+	void set_mass(long double m) { mass = m; };
+	void set_electric_resistance(long double er) { electric_resistance = er; };
+//Get
+	long double get_volume() { return volume; };
+	long double get_mass() { return mass; };
+	long double get_electric_resistance() { return electric_resistance; };
+//Virtuals
+	virtual void data_entry(){};
+	virtual void compute_options(){};
+
+	Body() {};
+	virtual ~Body() { heights.clear(); };
+};
+
+class Cylinder : public Body
+{
+private:
+	vector<long double> radii;
+
+public:
+
+	Cylinder() {};
+	~Cylinder(){};
+};
\ No newline at end of file
diff --git a/SCE/SCE/SCE.cpp b/SCE/SCE/SCE.cpp
index ba5635d..846df34 100644
--- a/SCE/SCE/SCE.cpp
+++ b/SCE/SCE/SCE.cpp
@@ -1,4 +1,5 @@
 #include "stdafx.h"
+#include "3d.h"
 #include <iostream>
 #include <vector>
 using namespace std;