document.write("«&nbsp;<a href='/news/view?id=66587'>Show HN: 3D Packing for 3D Printing</a>");document.write(" | ");document.write("<a href='/news/view?id=66589'>Smooth polytopes with negative Ehrhart coefficients. (arXiv:1704.05532v3 [math.CO] UPDATED)</a>&nbsp;»");