diff --git a/mustergenerator.py b/mustergenerator.py
index 1e6b4f6..159a411 100644
--- a/mustergenerator.py
+++ b/mustergenerator.py
@@ -97,7 +97,7 @@ class Hexagon:
     def __init__(self, name: str, filepath: str, length=1000, height=1000, key_width=50, bridge_width=10):
         assert length >= 0, "length can not be negative"
         assert height >= 0, "height can not be negative"
-        assert key_width >= 0, "radius can not be negative"
+        assert key_width >= 0, "key width can not be negative"
         assert bridge_width >= 0, "bridge width can not be negative"
 
         self.__name = name
@@ -186,6 +186,101 @@ class Hexagon:
         canvas.save_svg(f'{self.__filepath}/{self.__name}.svg')
 
 
+class Triangle:
+    def __init__(self, name: str, filepath: str, length=1000, height=1000, side_length=50, bridge_width=10):
+        assert length >= 0, "length can not be negative"
+        assert height >= 0, "height can not be negative"
+        assert side_length >= 0, "side length can not be negative"
+        assert bridge_width >= 0, "bridge width can not be negative"
+
+        self.__name = name
+        self.__filepath = filepath
+        self.__length = length
+        self.__height = height
+        self.__side_length = side_length
+        self.__bridge_width = bridge_width
+
+    @property
+    def length(self):
+        return self.__length
+
+    @length.setter
+    def length(self, val):
+        assert val >= 0, "length can not be negative"
+        self.__length = val
+
+    @property
+    def height(self):
+        return self.__height
+
+    @height.setter
+    def height(self, val):
+        assert val >= 0, "height can not be negative"
+        self.__height = val
+
+    @property
+    def side_length(self):
+        return self.__side_length
+
+    @side_length.setter
+    def side_length(self, val):
+        assert val >= 0, "length can not be negative"
+        self.__side_length = val
+
+    @property
+    def bridge_width(self):
+        return self.__bridge_width
+
+    @bridge_width.setter
+    def bridge_width(self, val):
+        assert val >= 0, "bridge width can not be negative"
+        self.__bridge_width = val
+
+    def triangle_generation(self):
+        x = 0
+        y = 0
+        i = 1
+        distance = self.__bridge_width / math.sin(math.radians(60))
+
+        canvas = draw.Drawing(self.__length, self.__height, origin=(0, 0))
+
+        while y + math.sqrt(3) / 2 * self.__side_length <= self.__height:
+            while x + 1.5 * self.__side_length + distance <= self.__length:
+                triangle1_p1_x = x
+                triangle1_p1_y = y
+                triangle1_p2_x = x + self.__side_length
+                triangle1_p2_y = y
+                triangle1_p3_x = x + math.sin(math.radians(30)) * self.__side_length
+                triangle1_p3_y = y + math.cos(math.radians(30)) * self.__side_length
+
+                triangle = draw.Lines(triangle1_p1_x, triangle1_p1_y, triangle1_p2_x, triangle1_p2_y, triangle1_p3_x,
+                                      triangle1_p3_y, close='true', stroke='black', fill='none')
+                canvas.append(triangle)
+
+                x = x + self.__side_length + distance
+
+                triangle2_p1_x = x
+                triangle2_p1_y = y
+                triangle2_p2_x = x - self.__side_length / 2
+                triangle2_p2_y = y + math.sqrt(3) / 2 * self.__side_length
+                triangle2_p3_x = x + self.__side_length / 2
+                triangle2_p3_y = triangle2_p2_y
+
+                triangle2 = draw.Lines(triangle2_p1_x, triangle2_p1_y, triangle2_p2_x, triangle2_p2_y, triangle2_p3_x,
+                                       triangle2_p3_y, close='true', stroke='black', fill='none')
+                canvas.append(triangle2)
+
+                x = x + distance
+            if i % 2 == 0:
+                x = 0
+            else:
+                x = self.__side_length / 2 + distance
+            y = y + self.__bridge_width + math.sqrt(3) / 2 * self.__side_length
+            i = i + 1
+
+        canvas.save_svg(f'{self.__filepath}/{self.__name}.svg')
+
+
 if __name__ == '__main__':
     name = input("Dateinamen:")
 
@@ -259,6 +354,35 @@ if __name__ == '__main__':
 
         hexagon.hexagon_generation()
     elif shape == 3:
-        print("noch nicht implementiert")
+        triangle = Triangle(name, path)
+        print(
+            f"\nStandardwerte\nHöhe: {triangle.height} px\nLänge: {triangle.length} px\nSeitenlänge: {triangle.side_length} px\nStegbreite: {triangle.bridge_width} px\n")
+        selection_flag = True
+        while selection_flag:
+            try:
+                parameter_selection = int(input(
+                    "Parameter ändern (0: keinen Parameter ändern, 1: Höhe, 2: Länge, 3: Seitenlänge, 4: Stegbreite):"))
+                if parameter_selection == 0:
+                    selection_flag = False
+                elif parameter_selection == 1:
+                    height = int(input("Höhe in Pixeln eingeben:"))
+                    triangle.height = height
+                elif parameter_selection == 2:
+                    length = int(input("Länge in Pixeln:"))
+                    triangle.length = length
+                elif parameter_selection == 3:
+                    side_length = int(input("Seitenlänge in Pixeln:"))
+                    triangle.side_length = side_length
+                elif parameter_selection == 4:
+                    bridge_width = int(input("Stegbreite in Pixeln:"))
+                    triangle.bridge_width = bridge_width
+                else:
+                    print("ungültiger Wert")
+            except ValueError:
+                print("ungültiger Wert")
+            except AssertionError as error:
+                print(error)
+
+        triangle.triangle_generation()
     else:
-        print("ungültiger Wert")
\ No newline at end of file
+        print("ungültiger Wert")