CAD files for the TacFoot tactile sensor (based on the TacTip), as seen in
E. A. Stone, N. F. Lepora and D. A. W. Barton, "Walking on TacTip toes: A tactile sensing foot for walking robots," 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2020, https://arxiv.org/abs/2008.05240 and https://ieeexplore.ieee.org/abstract/document/9341565