Robuta

https://home.hiroshima-u.ac.jp/fujimori/x3d-riemann.html Riemann's minimal surface / Shoichi Fujimori minimal surface shoichi fujimori riemann https://owpdb.mfo.de/person_detail?id=38313 Details for Shoichi Fujimori shoichi fujimori details https://home.hiroshima-u.ac.jp/fujimori/x3d-scherk15.html Associate family of Scherk's 1st and 5th Surface / Shoichi Fujimori associate family shoichi fujimori scherk surface