Five-Cornered Prism – Reduced Flap Closure – Full Overlapping Closure C10.30.11.10 Five-Cornered Prism – Reduced Flap Closure – Full Overlapping Closure C10.30.11.10 Production Team2021-05-18T21:57:37+08:00 ECMA C10.30.11.10 Five-Cornered Prism - Reduced Flap Closure - Full Overlapping Closure