プロパティシェルフにショートカットプロパティを用意するスクリプト

my_properties_panel.py

import bpy
from bpy.props import *

bl_info = {
    "name" : "My Properties",             
    "author" : "",                  
    "version" : (0,1),                  
    "blender" : (2, 77, 0),              
    "location" : "",  
    "description" : "",   
    "warning" : "",
    "wiki_url" : "",                   
    "tracker_url" : "",                 
    "category" : "UI"                   
}

class UI(bpy.types.Panel):
  bl_label = "my panel"
  bl_space_type = "VIEW_3D"
  bl_region_type = "UI"
  
  def draw(self, context):
    layout = self.layout
    active = context.scene.objects.active
    
    layout.prop(active,'show_wire')
    for m in active.modifiers:
        if m.type == "SUBSURF":
            layout.prop(m, 'show_viewport',text=m.name)
            layout.prop(m, 'levels')
    if active.active_material:
        layout.prop(active.active_material, "diffuse_color")
    layout.prop(context.scene.cycles,"preview_samples")
    layout.operator("my.backtodefault")
    
class BackToDefaultButton(bpy.types.Operator):
  bl_idname = "my.backtodefault"
  bl_label = "デフォルトに戻す"
  
  def execute(self, context):
    active = context.scene.objects.active
    active.show_wire = False

    hasSubsurf = False
    for m in active.modifiers:
        if m.type == "SUBSURF":
            m.show_viewport = True
            m.levels = 2
            hasSubsurf = True
    if not hasSubsurf:
        active.modifiers.new("SubSurf", type='SUBSURF')
        active.modifiers['SubSurf'].levels = 2

    if not active.active_material:
        mat = bpy.data.materials.new("Default Material")
        active.active_material = mat
    active.active_material.diffuse_color = (1,1,1)
    
    context.scene.cycles.preview_samples = 32
    return{'FINISHED'}

def register():
    bpy.utils.register_module(__name__)
    
def unregister():
    bpy.utils.unregister_module(__name__)
    
if __name__ == "__main__":
    register()