4-dimensional geometry Appears in 5 extracted records. Back to Domains. Representative papers Zometool Geometry Workshop (2001) Green Quaternions, Tenacious Symmetry, and Octahedral Zome (2006) Toward a Tesseract Theater (2010) The Quaternion Group as a Symmetry Group (2014) Obtaining the H and T Honeycomb from a Cross-Section of the 16-cell Honeycomb (2017)