Jim's "Add Layer" lets you do this: http://sketchucation.com/plugin/832-jf_add_layer I embedded this in Layers Panel: http://sketchucation.com/plugin/751-layers_panel (Hold down the "add layer" button, it will pop up a menu)

Dave's tips for efficient model building are spot on. If you still find yourself chugging a bit too much, don't forget the document setup options for editing and output. [image: YTDZ_layout2013docsetup.JPG]