[D-5-2] Automatic Generation of Implicit Surface Model from 3D-scanned Data of Plastic Bottles 〇Reon Matsui1, Yutaka Ohtake1, Hiromasa Suzuki1, Tatsuya Yatagawa1, Jun Hotta2 (1.The University of Tokyo, 2.Zodiac) Keywords:CAD、plastic bottle design、implicit surface modeling、frequency analysis、