bl_info = { "name": "New Object", "author": "YourNameHere", "version": (1, 0), "blender": (2, 5, 5), "api": 33333, "location": "View3D > Add > Mesh > New Object", "description": "Adds a new Mesh Object", "warning": "", "wiki_url": "", "tracker_url": "", "category": "Add Mesh"} import bpy from bpy.props import FloatVectorProperty from add_utils import AddObjectHelper, add_object_data from mathutils import Vector def add_object(self, context): scale_x = self.scale.x scale_y = self.scale.y verts = [Vector((-1 * scale_x, 1 * scale_y, 0)), Vector((1 * scale_x, 1 * scale_y, 0)), Vector((1 * scale_x, -1 * scale_y, 0)), Vector((-1 * scale_x, -1 * scale_y, 0)), ] edges = [] faces = [[0, 1, 2, 3]] mesh = bpy.data.meshes.new(name='New Object Mesh') mesh.from_pydata(verts, edges, faces) # useful for development when the mesh may be invalid. # mesh.validate(verbose=True) add_object_data(context, mesh, operator=self) class OBJECT_OT_add_object(bpy.types.Operator, AddObjectHelper): """Add a Mesh Object""" bl_idname = "mesh.add_object" bl_label = "Add Mesh Object" bl_description = "Create a new Mesh Object" bl_options = {'REGISTER', 'UNDO'} scale = FloatVectorProperty( name='scale', default=(1.0, 1.0, 1.0), subtype='TRANSLATION', description='scaling', ) def execute(self, context): add_object(self, context) return {'FINISHED'} # Registration def add_object_button(self, context): self.layout.operator( OBJECT_OT_add_object.bl_idname, text="Add Object", icon="PLUGIN") def register(): bpy.utils.register_class(OBJECT_OT_add_object) bpy.types.INFO_MT_mesh_add.append(add_object_button) def unregister(): bpy.utils.unregister_class(OBJECT_OT_add_object) bpy.types.INFO_MT_mesh_add.remove(add_object_button) if __name__ == '__main__': register()