● R&D Log "Arc Grip" type has been developed by Eureka_Admin "Arc" grip type has been developed in PEEK material. so far, 3 types of grip designs are completed in PEEK material. 1. normal (taper) type 2. super grip type 3. arc type since an adequate amount of research is completed in grip section, i will move onto further developing other parts of the pen. 공유하기 게시글 관리 For 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 Prototype drawing of 5th gen Ebonite Feed (research log 6/18/23) New exotic materials to try... "Super Grip" type has been developed Eureka Symmetry Model (PEEK material)