To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2. Direct foam writing of a hexagonal honeycomb. Architected cellular ceramics with tailored stiffness via direct foam writing Joseph T. Muth, Patrick G. Dixon, Logan Woish, Lorna J. Gibson, and Jennifer A. Lewis PNAS. 2017. 114:1832-1837 DOI: 10.1073/pnas.1616769114 Download Original Video Browse All Videos »