The second attribute of the SCARA is the jointed two-link arm layout similar to our human arms, hence the often-used term, Articulated. We will see how this concept develops. Nice new innovation after Delta approach.
Here is the first video of SCARA used for 3d printer by ttsalo (http://github.com/ttsalo/Armstrong-SCARA)
Here is RepRAP Morgan, a more sophisticated SCARA FDM 3D printer developed by Quentin Harley
Take a look at more SCARA machines: