Oxman: Uses Stratasys Connex 3 Objet technology. Used bitmaps with voxels, and can print with a resolution of 16 microns.

An example of multi-material uses would be a shock absorbing helmet and face mask which is a fusion of several different materials, some harder and some softer depending on where on the skull the helmet areas fall. She has printed several different helmets (Pictures coming in further 3DPrint.com Posts)