Papercraft, wall-hung 3D space invader sprites

Jeff sez, "We like to be prepared for an alien invasion...Nerf guns loaded, extra rations of nachos packed away, and a Klingon dictionary in the back pocket. Unfortunately, such preparations tend to be forgotten in the routine of day-to-day life. As a subtle reminder, we created giant, 3-D, papercraft Space Invaders on our walls, and just so everyone is prepared, we show you how to build your own. Enjoy."

Build 3-D Papercraft Space Invaders (Thanks, Jeff!)