*thank you very much Meenakshi Mukerji!*great help - exactly what i need :)
בתאריך יום ה׳, 8 באוג׳ 2019 ב-16:45 מאת Meenakshi Mukerji < meen...@gmail.com>: > > > > > > I'm Looking for assembly instructions for a ball made up of Sonobe units. > > not the 30 parts ball... but the 270 parts ball (or bigger). > > > > i think its also called the epcot ball. > > > > > Hi Ami, > > I think you are looking for the following: > > https://math.stackexchange.com/questions/3243724/which-geometric-shape-of-icosahedron-origin-has-180-faces-270-edges-92-vertices > > > I have not constructed one, but to make the Sonobe version you would have > to replace each triangle in the figure with triangular pyramids. > > https://upload.wikimedia.org/wikipedia/commons/0/0e/Conway_polyhedron_K6k5tI.png > > Also, here is a similar construction but not with Sonobe Units. It's with > spikier units but the idea is the same. > http://origamee.net/gallery/spiky.html > > The underlying structure is a buckyball. Hope all this helps. > > Meenakshi > -- > _____________________________________________ > My Modular Origami Galleries: http://www.origamee.net >
