1. Header
   1. bl_info = { "name": "New Object", "author": "Your Name Here", "version": (1, 0), "blender": (2, 80, 0), "location": "View3D > Add > Mesh > New Object", "description": "Adds a new Mesh Object", "warning": "", "doc_url": "", "category": "Add Mesh", } import bpy
2. Body
   1. def add_object() '''Do some actions'''
   2. class Operator
      1. Header
         1. """Create a new Mesh Object""" bl_idname = "mesh.add_object" bl_label = "Add Mesh Object" bl_options = {'REGISTER', 'UNDO'}
      2. execute(self, context)
         1. def execute(self, context): add_object(self, context) return {'FINISHED'}
   3. Menu Button
      1. def add_object_button(self, context): self.layout.operator( OBJECT_OT_add_object.bl_idname, text="Add Object", icon='PLUGIN')
3. Footer
   1. def register(): bpy.utils.register_class(OBJECT_OT_add_object) bpy.types.VIEW3D_MT_mesh_add.append(add_object_button)
   2. def unregister(): bpy.utils.unregister_class(OBJECT_OT_add_object) bpy.types.VIEW3D_MT_mesh_add.remove(add_object_button) if __name__ == "__main__": register()
4. Preferences
   1. Install Addon
      1. my_addon.py
         1. Set Hot Key
5. Save my_addon.py
6. Custom Pie Menu Addon
7. bl_info = { "name": "New Object", "author": "Your Name Here", "version": (1, 0), "blender": (2, 80, 0), "location": "View3D > Add > Mesh > New Object", "description": "Adds a new Mesh Object", "warning": "", "doc_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 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) object_data_add(context, mesh, operator=self) class OBJECT_OT_add_object(Operator, AddObjectHelper): """Create a new Mesh Object""" bl_idname = "mesh.add_object" bl_label = "Add 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') # This allows you to right click on a button and link to documentation def add_object_manual_map(): url_manual_prefix = "https://docs.blender.org/manual/en/latest/" url_manual_mapping = ( ("bpy.ops.mesh.add_object", "scene_layout/object/types.html"), ) return url_manual_prefix, url_manual_mapping def register(): bpy.utils.register_class(OBJECT_OT_add_object) bpy.utils.register_manual_map(add_object_manual_map) bpy.types.VIEW3D_MT_mesh_add.append(add_object_button) def unregister(): bpy.utils.unregister_class(OBJECT_OT_add_object) bpy.utils.unregister_manual_map(add_object_manual_map) bpy.types.VIEW3D_MT_mesh_add.remove(add_object_button) if __name__ == "__main__": register()