Full scale R2D2 utility arm ( thing 84552 is a more accurate version of this... thanks Spurgco)
by wthierry, published
This is the blue utility arm in the body of r2d2. you need to print two. I have broken the files down into pieces that can be printed and glued together easily for smaller 3d printers, as well as the original STL file.
If printing the pieces, you will need two of each.