Triangular Prism – Reduced Flap Closure – Reduced Flap Closure C10.10.11.11 Triangular Prism – Reduced Flap Closure – Reduced Flap Closure C10.10.11.11 Production Team2021-05-18T21:57:20+08:00 ECMA C10.10.11.11 Triangular Prism - Reduced Flap Closure - Reduced Flap Closure