Design one yourselfThis project is open for collaboration, Here I make available the source files (as .STL & .IGS files of a template basic cup, please, feel free to play around and modify it. 3D Print it yourselfThe OctoCup is shared at Thingiverse, feel free to grab the files, experiment with it and share the results. I printed one with a RepRap and it looks nice, (useless, but nice). Learningsd