Six-Cornered Prism – Reduced Flap Closure – Reduced Flap Closure C10.40.11.11 Six-Cornered Prism – Reduced Flap Closure – Reduced Flap Closure C10.40.11.11 Production Team2021-05-18T21:57:54+08:00 ECMA C10.40.11.11 Six-Cornered Prism - Reduced Flap Closure - Reduced Flap Closure