We have covered 3D printers before and I really think they are going to be a game changer in 2013. I found the following Behance project which shows how Samuel Bernier managed to print out a replacement lampshade for his broken IKEA lamp.
After creating the first lampshade, he then went on to design another 12 different designs.
Each lampshade took around 4-12 hours to print and total cost was usually 10 time less than buying it from IKEA when using a UP! or Makerbot
Read the whole article here: http://www.behance.net/gallery/3d-Printed-lamp-shade-collection/4299349