Variety of 3-D Printed Honeycomb Structures (image) Harvard University Share Print E-Mail Caption Left: Optical images of square, hexagonal, and triangular honeycomb structures composed of SiC-filled epoxy. Scale bars are 2 mm. Center and right: Optical images of a triangular honeycomb structure composed of SiC/C-filled epoxy, which reveal clear evidence of highly aligned carbon fibers oriented along the print direction. The scale bars are 500 μm. Credit Images courtesy of Brett G. Compton, Harvard University. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.