extra object

bl_info = {
    "name": "Origami Symbols",
    "author": "Diego Quevedo",
    "version": (1, 0),
    "blender": (2, 7, 0),
    "location": "View3D > Add > Mesh > New Object",
    "description": "Adds a new Mesh Object used like origami simbols",
    "warning": "",
    "wiki_url": "",
    "category": "Add Mesh"}


import bpy
from bpy.types import Operator
from bpy.props import FloatVectorProperty
from bpy_extras.object_utils import AddObjectHelper, object_data_add
from mathutils import Vector



class addArrowMesh_forward_1(bpy.types.Operator):
    bl_idname = "mesh.primitive_arrow_forward_1"
    bl_label = "Arrow Mesh forward 1"
    bl_options = {'REGISTER', 'UNDO'}

    def execute(self, context):
        try:
            bpy.ops.object.mode_set(mode = 'OBJECT')

        except:
            print("ya en modo objeto")
        try:
            ao = bpy.context.active_object
            ao.select = False
        except:
            print("ningun objeto seleccionado""Arrow_forward_1")
        object = bpy.data.objects.new("Arrow_forward_1", mesh)

        mat = bpy.data.materials['MaterialFlecha1']
        object.data.materials.append(mat)

        object.location = bpy.context.scene.cursor_location
        bpy.context.scene.objects.link(object)

        mesh.from_pydata(verts, [], faces)
        mesh.update(calc_edges=True)


        bpy.ops.object.mode_set(mode = 'EDIT')

        return{'FINISHED'}




class INFO_MT_mes_custom_menu_add(bpy.types.Menu):
    bl_idname = "INFO_MT_mes_custom_menu_add"
    bl_label = "Custom Menu"


    def draw(self, context):
        layout = self.layout
        layout.operator("mesh.primitive_arrow_forward_1", text="Fold paper forward 1 ");





# Registration

def menu_func(self, context):
    self.layout.menu("INFO_MT_mes_custom_menu_add",icon='PLUGIN')

class Objet_Panel(bpy.types.Panel):
    bl_space_type = "VIEW_3D"
    bl_region_type = "TOOLS"
    #bl_context = "editmode"
    bl_label = "SIMBOLOS"
    bl_category = "ORIGAMI SYMBOLS"


    def draw(self, context):
        layout = self.layout
        layout.operator("mesh.primitive_arrow_forward_1", text="Fold paper forward 1 ");




def register():
    bpy.utils.register_module(__name__)

def unregister():
    bpy.utils.unregister_module(__name__)


if __name__ == "__main__":
    register()