Star Wars AT-ST Halloween DIY Costume by Tom Judge

Outstanding Imperial "Chicken" Walker costume crafted out of cardboard via Cubeelog

When Captain America Throws His Cardboard Shield - DIY Cap Craft

Find out how to make a pretty convincing, fun, flying Cap Shield out of cardboard
and duct tape (of course) at Instructables.

 

The maker (seamster) wanted to create a finished shield that "could be tossed around safely and 

actually fly stable like a giant Frisbee" and even includes a video of the Shield in action.