I assume you're talking about this: http://www.wm.uni-bayreuth.de/fileadmin/Sascha/Publikationen2/rare.pdf which as far as I know is still the state of the art: a heptagon with all integer distances. --Joshua Tnx! Interesting how close both sol'ns come to having 3 in a row. --rwg PS, the Triadic Dragon barely grazes its bounding box--in four uncountable Cantor sets! cooperationist cationotropies cephalometric petrochemical animal starch charlatanism ammonolytic commonality astonished dositheans on its heads osteologic tocologies saponified adipose fin low german angleworm