Here is a set of washi samples going out in a swap over at Swap-bot.com. It took only a few extra minutes to turn the boring rectangluar cardboard backing into the more interesting house shape you see above. The swap required 18 inches of tape for each different sample. To make measuring easy, I started with a 3 X 4-inch base and simply counted three wraps front and back, plus a little extra for good measure. Do you have any suggestions for other fun shapes to use in a similar way?