Ball-and-stick model of graphene, drawn in Inkscape. I had to reduce the amount of repetitions on the structure (note that graphene can have an infinite amount of repetitions of the benzene ring motif), due to a bug in OCAL's previous website that was breaking the SVG submission process when the number of "rows" got higher than six.
石墨烯片
chemical、graphene、model、organic、science
化學、石墨烯、模型、有機、科學
資料來源：openclipart ( https://openclipart.org/ )