Spring-Pen:reproduction of any softness with the 3D printed spring

Kengo Tanaka, Taisuke Ohshima, and Yoichi Ochiai. 2017. Spring-pen: reproduction of any softness with the 3D printed spring. In SIGGRAPH Asia 2017 Posters (SA ’17). ACM, New York, NY, USA, Article 37, 2 pages. DOI: https://doi.org/10.1145/3145690.3145732