Retired engineer, prototyping stationery products and filing patents. 退職したエンジニアで、文房具製品の試作と特許出願中! Interests: 3D_print, 3DCG, VBA, Baseball, Dodgers, Dieting!

ID: 1807959998536077313

linkhttps://note.com/reskill_craft/all calendar_today02-07-2024 02:11:18