Crossword solverSynonyms for regular icosahedron6 crossword answers for “regular icosahedron” (7,11), sorted by letter count.How many letters?All610112113117118123110 letters 1ideal solid(5,5)12 letters 1Platonic body(8,4)13 letters 1Platonic solid(8,5)17 letters 1regular polyhedron(7,10)18 letters 1regular convex solid(7,6,5)23 letters 1regular convex polyhedron(7,6,10)