● R&D eureka asymmetry diamond dodecagon cap fountainpen has been developed (protoype) by Eureka_Admin 2023. 9. 12. below is prototype pen, actual production pen will be different production will begin soon! 공유하기 게시글 관리 구독하기For Your Eureka Moment 저작자표시 비영리 변경금지 사업자 정보 표시 유레카만년필 | 정상현 | 다산순환로20 | 사업자 등록번호 : 428-34-01314 | TEL : 010-4406-4810 | Mail : beatmaster90@naver.com | 통신판매신고번호 : 2018-다산-0077호 | 사이버몰의 이용약관 바로가기 관련글 Asymmetry Diamond Dodecagon Cap developed Dodecagon Symmetry "Cigar" Barrel completed Diamond & Ruby machining process developed Asymmetry dodecagon cap developed