diff --git a/add_mesh_extra_objects/__init__.py b/add_mesh_extra_objects/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..8b436b530ff0b94585a6c9e83d03024283e9e803
--- /dev/null
+++ b/add_mesh_extra_objects/__init__.py
@@ -0,0 +1,103 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+bl_info = {
+    "name": "Extra Objects",
+    "author": "Pontiac, Fourmadmen, varkenvarken, tuga3d, meta-androcto",
+    "version": (0, 1),
+    "blender": (2, 5, 7),
+    "api": 35853,
+    "location": "View3D > Add > Mesh > Extra Objects",
+    "description": "Adds More Object Types.",
+    "warning": "",
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
+        "Scripts/Add_Mesh/Add_Extra",
+    "tracker_url": "http://projects.blender.org/tracker/index.php?"\
+        "func=detail&aid=22457",
+    "category": "Add Mesh"}
+
+
+if "bpy" in locals():
+    import imp
+    imp.reload(add_mesh_extra_objects)
+    imp.reload(add_mesh_twisted_torus)
+    imp.reload(add_mesh_gemstones)
+    imp.reload(add_mesh_gears)
+    imp.reload(add_mesh_3d_function_surface)
+else:
+    from . import add_mesh_extra_objects
+    from . import add_mesh_twisted_torus
+    from . import add_mesh_gemstones
+    from . import add_mesh_gears
+    from . import add_mesh_3d_function_surface
+
+import bpy
+
+
+class INFO_MT_mesh_extras_add(bpy.types.Menu):
+    # Define the "Extras" menu
+    bl_idname = "INFO_MT_mesh_extra_objects_add"
+    bl_label = "Extra Objects"
+
+    def draw(self, context):
+        layout = self.layout
+        layout.operator_context = 'INVOKE_REGION_WIN'
+        layout.operator("mesh.primitive_sqorus_add",
+            text="Sqorus")
+        layout.operator("mesh.primitive_wedge_add")
+        layout.operator("mesh.primitive_star_add",
+            text="Star")
+        layout.operator("mesh.primitive_trapezohedron_add",
+            text="Trapezohedron")
+        layout.operator("mesh.primitive_twisted_torus_add",
+            text="Twisted Torus")
+        layout.operator("mesh.primitive_diamond_add",
+            text="Diamond")
+        layout.operator("mesh.primitive_gem_add",
+            text="Gem")
+        layout.operator("mesh.primitive_gear",
+            text="Gear")
+        layout.operator("mesh.primitive_worm_gear",
+            text="Worm")
+        layout.operator("mesh.primitive_z_function_surface",
+            text="Z Math Surface")
+        layout.operator("mesh.primitive_xyz_function_surface",
+            text="XYZ Math Surface")
+
+# Register all operators and panels
+
+# Define "Extras" menu
+def menu_func(self, context):
+    self.layout.menu("INFO_MT_mesh_extra_objects_add", icon="PLUGIN")
+
+
+def register():
+    bpy.utils.register_module(__name__)
+
+    # Add "Extras" menu to the "Add Mesh" menu
+    bpy.types.INFO_MT_mesh_add.append(menu_func)
+
+
+def unregister():
+    bpy.utils.unregister_module(__name__)
+
+    # Remove "Extras" menu from the "Add Mesh" menu.
+    bpy.types.INFO_MT_mesh_add.remove(menu_func)
+
+if __name__ == "__main__":
+    register()
\ No newline at end of file
diff --git a/add_mesh_3d_function_surface.py b/add_mesh_extra_objects/add_mesh_3d_function_surface.py
similarity index 94%
rename from add_mesh_3d_function_surface.py
rename to add_mesh_extra_objects/add_mesh_3d_function_surface.py
index 9b75e128f7b7f6aac1d3a5da8fbb094088732f77..e415813abda7fd3a43a57c04c03585d1060e39d9 100644
--- a/add_mesh_3d_function_surface.py
+++ b/add_mesh_extra_objects/add_mesh_3d_function_surface.py
@@ -15,7 +15,7 @@
 #  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #
 # ##### END GPL LICENSE BLOCK #####
-
+"""
 bl_info = {
     "name": "3D Function Surfaces",
     "author": "Buerbaum Martin (Pontiac)",
@@ -30,7 +30,7 @@ bl_info = {
     "tracker_url": "https://projects.blender.org/tracker/index.php?"\
         "func=detail&aid=21444",
     "category": "Add Mesh"}
-
+"""
 """
 Z Function Surface
 
@@ -496,38 +496,3 @@ class AddXYZFunctionSurface(bpy.types.Operator):
         return {'FINISHED'}
 
 
-################################
-
-
-# Define "3D Function Surface" menu
-def menu_func_z(self, context):
-    self.layout.operator(AddZFunctionSurface.bl_idname,
-        text="Z Function Surface",
-        icon="PLUGIN")
-
-
-def menu_func_xyz(self, context):
-    self.layout.operator(AddXYZFunctionSurface.bl_idname,
-        text="X,Y,Z Function Surface",
-        icon="PLUGIN")
-
-
-def register():
-    bpy.utils.register_module(__name__)
-
-    # Add menus to the "Add Mesh" menu
-    INFO_MT_mesh_add = bpy.types.INFO_MT_mesh_add
-    INFO_MT_mesh_add.append(menu_func_z)
-    INFO_MT_mesh_add.append(menu_func_xyz)
-
-
-def unregister():
-    bpy.utils.unregister_module(__name__)
-
-    # Remove menus from the "Add Mesh" menu.
-    INFO_MT_mesh_add = bpy.types.INFO_MT_mesh_add
-    INFO_MT_mesh_add.remove(menu_func_z)
-    INFO_MT_mesh_add.remove(menu_func_xyz)
-
-if __name__ == "__main__":
-    register()
diff --git a/add_mesh_extras.py b/add_mesh_extra_objects/add_mesh_extra_objects.py
similarity index 90%
rename from add_mesh_extras.py
rename to add_mesh_extra_objects/add_mesh_extra_objects.py
index bc5fc8bcf53647792f37bd0336a2a6357dcff8dc..f87bb044236becb310eea5bb67e9e34c6e6dd190 100644
--- a/add_mesh_extras.py
+++ b/add_mesh_extra_objects/add_mesh_extra_objects.py
@@ -16,21 +16,6 @@
 #
 # ##### END GPL LICENSE BLOCK #####
 
-bl_info = {
-    "name": "Extras",
-    "author": "Pontiac, Fourmadmen, meta-androcto",
-    "version": (0, 5),
-    "blender": (2, 5, 7),
-    "api": 35853,
-    "location": "View3D > Add > Mesh > Extras",
-    "description": "Adds Star, Wedge, & Sqorus objects.",
-    "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
-        "Scripts/Add_Mesh/Add_Extra",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22457",
-    "category": "Add Mesh"}
-
 import bpy
 from mathutils import *
 from math import *
@@ -504,40 +489,4 @@ class AddTrapezohedron(bpy.types.Operator):
         return {'FINISHED'}
 
 
-class INFO_MT_mesh_extras_add(bpy.types.Menu):
-    # Define the "Extras" menu
-    bl_idname = "INFO_MT_mesh_extras_add"
-    bl_label = "Extras"
-
-    def draw(self, context):
-        layout = self.layout
-        layout.operator_context = 'INVOKE_REGION_WIN'
-        layout.operator("mesh.primitive_sqorus_add", text="Sqorus")
-        layout.operator("mesh.primitive_wedge_add", text="Wedge")
-        layout.operator("mesh.primitive_star_add", text="Star")
-        layout.operator("mesh.primitive_trapezohedron_add",
-            text="Trapezohedron")
-
-
-# Register all operators and panels
-
-# Define "Extras" menu
-def menu_func(self, context):
-    self.layout.menu("INFO_MT_mesh_extras_add", icon="PLUGIN")
-
-
-def register():
-    bpy.utils.register_module(__name__)
-
-    # Add "Extras" menu to the "Add Mesh" menu
-    bpy.types.INFO_MT_mesh_add.append(menu_func)
-
-
-def unregister():
-    bpy.utils.unregister_module(__name__)
-
-    # Remove "Extras" menu from the "Add Mesh" menu.
-    bpy.types.INFO_MT_mesh_add.remove(menu_func)
 
-if __name__ == "__main__":
-    register()
diff --git a/add_mesh_gears.py b/add_mesh_extra_objects/add_mesh_gears.py
similarity index 96%
rename from add_mesh_gears.py
rename to add_mesh_extra_objects/add_mesh_gears.py
index 65b3f964a01eab6a7d8e948bf8cf7e56a6cb31a3..47cc950e856c8c53f1c0268ef5a749f59e1ffe3e 100644
--- a/add_mesh_gears.py
+++ b/add_mesh_extra_objects/add_mesh_gears.py
@@ -18,7 +18,7 @@
 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #
 # ***** END GPL LICENCE BLOCK *****
-
+"""
 bl_info = {
     "name": "Gears",
     "author": "Michel J. Anders (varkenvarken)",
@@ -33,6 +33,7 @@ bl_info = {
     "tracker_url": "https://projects.blender.org/tracker/index.php?"\
         "func=detail&aid=21732",
     "category": "Add Mesh"}
+"""
 
 """
 What was needed to port it from 2.49 -> 2.50 alpha 0?
@@ -799,38 +800,3 @@ class AddWormGear(bpy.types.Operator):
 
         return {'FINISHED'}
 
-
-class INFO_MT_mesh_gears_add(bpy.types.Menu):
-    # Define the "Gears" menu
-    bl_idname = "INFO_MT_mesh_gears_add"
-    bl_label = "Gears"
-
-    def draw(self, context):
-        layout = self.layout
-        layout.operator_context = 'INVOKE_REGION_WIN'
-        layout.operator("mesh.primitive_gear",
-            text="Gear")
-        layout.operator("mesh.primitive_worm_gear",
-            text="Worm")
-
-
-# Define "Gears" menu
-def menu_func(self, context):
-    self.layout.menu("INFO_MT_mesh_gears_add", icon="PLUGIN")
-
-
-def register():
-    bpy.utils.register_module(__name__)
-
-    # Add "Gears" entry to the "Add Mesh" menu.
-    bpy.types.INFO_MT_mesh_add.append(menu_func)
-
-
-def unregister():
-    bpy.utils.unregister_module(__name__)
-
-    # Remove "Gears" entry from the "Add Mesh" menu.
-    bpy.types.INFO_MT_mesh_add.remove(menu_func)
-
-if __name__ == "__main__":
-    register()
diff --git a/add_mesh_gemstones.py b/add_mesh_extra_objects/add_mesh_gemstones.py
similarity index 91%
rename from add_mesh_gemstones.py
rename to add_mesh_extra_objects/add_mesh_gemstones.py
index aa00d822bb2a0db3699a7e5308c30850017d986a..9af8cdb660122d3ea6d1fd2fe5ec75e7b6bbd662 100644
--- a/add_mesh_gemstones.py
+++ b/add_mesh_extra_objects/add_mesh_gemstones.py
@@ -15,7 +15,7 @@
 #  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #
 # ##### END GPL LICENSE BLOCK #####
-
+"""
 bl_info = {
     "name": "Gemstones",
     "author": "Pontiac, Fourmadmen, Dreampainter",
@@ -30,7 +30,7 @@ bl_info = {
     "tracker_url": "https://projects.blender.org/tracker/index.php?"\
         "func=detail&aid=21432",
     "category": "Add Mesh"}
-
+"""
 import bpy
 from mathutils import *
 from math import *
@@ -331,42 +331,3 @@ class AddGem(bpy.types.Operator):
 
         return {'FINISHED'}
 
-
-class INFO_MT_mesh_gemstones_add(bpy.types.Menu):
-    # Define the "Gemstones" menu
-    bl_idname = "INFO_MT_mesh_gemstones_add"
-    bl_label = "Gemstones"
-
-    def draw(self, context):
-        layout = self.layout
-        layout.operator_context = 'INVOKE_REGION_WIN'
-        layout.operator("mesh.primitive_diamond_add",
-            text="Diamond")
-        layout.operator("mesh.primitive_gem_add",
-            text="Gem")
-
-
-# Register all operators and panels
-
-
-# Define "Gemstones" menu
-def menu_func(self, context):
-    self.layout.menu("INFO_MT_mesh_gemstones_add", icon="PLUGIN")
-
-
-def register():
-    bpy.utils.register_module(__name__)
-
-    # Add "Gemstones" menu to the "Add Mesh" menu
-    bpy.types.INFO_MT_mesh_add.append(menu_func)
-
-
-def unregister():
-    bpy.utils.unregister_module(__name__)
-
-    # Remove "Gemstones" menu from the "Add Mesh" menu.
-    bpy.types.INFO_MT_mesh_add.remove(menu_func)
-
-
-if __name__ == "__main__":
-    register()
diff --git a/add_mesh_extra_objects/add_mesh_twisted_torus.py b/add_mesh_extra_objects/add_mesh_twisted_torus.py
new file mode 100644
index 0000000000000000000000000000000000000000..82edee6b253235178e5fa9a0fc6d48695be99549
--- /dev/null
+++ b/add_mesh_extra_objects/add_mesh_twisted_torus.py
@@ -0,0 +1,253 @@
+# add_mesh_twisted_torus.py Copyright (C) 2009-2010, Paulo Gomes
+# tuga3d {at} gmail {dot} com
+# add twisted torus to the blender 2.50 add->mesh menu
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENCE BLOCK *****
+"""
+bl_info = {
+    "name": "Twisted Torus",
+    "author": "Paulo_Gomes",
+    "version": (0, 11, 1),
+    "blender": (2, 5, 7),
+    "api": 35853,
+    "location": "View3D > Add > Mesh ",
+    "description": "Adds a mesh Twisted Torus to the Add Mesh menu",
+    "warning": "",
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
+        "Scripts/Add_Mesh/Add_Twisted_Torus",
+    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
+        "func=detail&aid=21622",
+    "category": "Add Mesh"}
+	
+Usage:
+
+* Launch from Add Mesh menu
+
+* Modify parameters as desired or keep defaults
+"""
+
+
+import bpy
+from bpy.props import *
+
+import mathutils
+from mathutils import *
+from math import cos, sin, pi
+
+
+# Create a new mesh (object) from verts/edges/faces.
+# verts/edges/faces ... List of vertices/edges/faces for the
+#                       new mesh (as used in from_pydata).
+# name ... Name of the new mesh (& object).
+def create_mesh_object(context, verts, edges, faces, name):
+    scene = context.scene
+    obj_act = scene.objects.active
+
+    # Create new mesh
+    mesh = bpy.data.meshes.new(name)
+
+    # Make a mesh from a list of verts/edges/faces.
+    mesh.from_pydata(verts, edges, faces)
+
+    # Update mesh geometry after adding stuff.
+    mesh.update()
+
+    import add_object_utils
+    return add_object_utils.object_data_add(context, mesh, operator=None)
+
+# A very simple "bridge" tool.
+# Connects two equally long vertex rows with faces.
+# Returns a list of the new faces (list of  lists)
+#
+# vertIdx1 ... First vertex list (list of vertex indices).
+# vertIdx2 ... Second vertex list (list of vertex indices).
+# closed ... Creates a loop (first & last are closed).
+# flipped ... Invert the normal of the face(s).
+#
+# Note: You can set vertIdx1 to a single vertex index to create
+#       a fan/star of faces.
+# Note: If both vertex idx list are the same length they have
+#       to have at least 2 vertices.
+def createFaces(vertIdx1, vertIdx2, closed=False, flipped=False):
+    faces = []
+
+    if not vertIdx1 or not vertIdx2:
+        return None
+
+    if len(vertIdx1) < 2 and len(vertIdx2) < 2:
+        return None
+
+    fan = False
+    if (len(vertIdx1) != len(vertIdx2)):
+        if (len(vertIdx1) == 1 and len(vertIdx2) > 1):
+            fan = True
+        else:
+            return None
+
+    total = len(vertIdx2)
+
+    if closed:
+        # Bridge the start with the end.
+        if flipped:
+            face = [
+                vertIdx1[0],
+                vertIdx2[0],
+                vertIdx2[total - 1]]
+            if not fan:
+                face.append(vertIdx1[total - 1])
+            faces.append(face)
+
+        else:
+            face = [vertIdx2[0], vertIdx1[0]]
+            if not fan:
+                face.append(vertIdx1[total - 1])
+            face.append(vertIdx2[total - 1])
+            faces.append(face)
+
+    # Bridge the rest of the faces.
+    for num in range(total - 1):
+        if flipped:
+            if fan:
+                face = [vertIdx2[num], vertIdx1[0], vertIdx2[num + 1]]
+            else:
+                face = [vertIdx2[num], vertIdx1[num],
+                    vertIdx1[num + 1], vertIdx2[num + 1]]
+            faces.append(face)
+        else:
+            if fan:
+                face = [vertIdx1[0], vertIdx2[num], vertIdx2[num + 1]]
+            else:
+                face = [vertIdx1[num], vertIdx2[num],
+                    vertIdx2[num + 1], vertIdx1[num + 1]]
+            faces.append(face)
+
+    return faces
+
+
+def add_twisted_torus(major_rad, minor_rad, major_seg, minor_seg, twists):
+    PI_2 = pi * 2.0
+    z_axis = (0.0, 0.0, 1.0)
+
+    verts = []
+    faces = []
+
+    edgeloop_prev = []
+    for major_index in range(major_seg):
+        quat = Quaternion(z_axis, (major_index / major_seg) * PI_2)
+        rot_twists = PI_2 * major_index / major_seg * twists
+
+        edgeloop = []
+
+        # Create section ring
+        for minor_index in range(minor_seg):
+            angle = (PI_2 * minor_index / minor_seg) + rot_twists
+
+            vec = Vector((
+                major_rad + (cos(angle) * minor_rad),
+                0.0,
+                sin(angle) * minor_rad))
+            vec = vec * quat
+
+            edgeloop.append(len(verts))
+            verts.append(vec)
+
+        # Remember very first edgeloop.
+        if major_index == 0:
+            edgeloop_first = edgeloop
+
+        # Bridge last with current ring
+        if edgeloop_prev:
+            f = createFaces(edgeloop_prev, edgeloop, closed=True)
+            faces.extend(f)
+
+        edgeloop_prev = edgeloop
+
+    # Bridge first and last ring
+    f = createFaces(edgeloop_prev, edgeloop_first, closed=True)
+    faces.extend(f)
+
+    return verts, faces
+
+
+class AddTwistedTorus(bpy.types.Operator):
+    '''Add a torus mesh'''
+    bl_idname = "mesh.primitive_twisted_torus_add"
+    bl_label = "Add Torus"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    major_radius = FloatProperty(name="Major Radius",
+        description="Radius from the origin to the" \
+            " center of the cross section",
+        min=0.01,
+        max=100.0,
+        default=1.0)
+    minor_radius = FloatProperty(name="Minor Radius",
+        description="Radius of the torus' cross section",
+        min=0.01,
+        max=100.0,
+        default=0.25)
+    major_segments = IntProperty(name="Major Segments",
+        description="Number of segments for the main ring of the torus",
+        min=3,
+        max=256,
+        default=48)
+    minor_segments = IntProperty(name="Minor Segments",
+        description="Number of segments for the minor ring of the torus",
+        min=3,
+        max=256,
+        default=12)
+    twists = IntProperty(name="Twists",
+        description="Number of twists of the torus",
+        min=0,
+        max=256,
+        default=1)
+
+    use_abso = BoolProperty(name="Use Int+Ext Controls",
+        description="Use the Int / Ext controls for torus dimensions",
+        default=False)
+    abso_major_rad = FloatProperty(name="Exterior Radius",
+        description="Total Exterior Radius of the torus",
+        min=0.01,
+        max=100.0,
+        default=1.0)
+    abso_minor_rad = FloatProperty(name="Inside Radius",
+        description="Total Interior Radius of the torus",
+        min=0.01,
+        max=100.0,
+        default=0.5)
+
+    def execute(self, context):
+
+        if self.use_abso == True:
+            extra_helper = (self.abso_major_rad - self.abso_minor_rad) * 0.5
+            self.major_radius = self.abso_minor_rad + extra_helper
+            self.minor_radius = extra_helper
+
+        verts, faces = add_twisted_torus(
+            self.major_radius,
+            self.minor_radius,
+            self.major_segments,
+            self.minor_segments,
+            self.twists)
+
+        # Actually create the mesh object from this geometry data.
+        obj = create_mesh_object(context, verts, [], faces, "TwistedTorus")
+
+        return {'FINISHED'}
+