@inproceedings{bridges2025:271,
  author      = {Schaffer, Karl H.},
  title       = {Right Angle and Polyhedral String Figures},
  pages       = {271--278},
  booktitle   = {Proceedings of Bridges 2025: Mathematics and the Arts},
  year        = {2025},
  editor      = {Verhoeff, Tom and Swart, David and Gould, S. Louise and Torrence, Eve},
  isbn        = {978-1-938664-51-9},
  issn        = {1099-6702},
  publisher   = {Tessellations Publishing},
  address     = {Phoenix, Arizona},

  url         = {http://archive.bridgesmathart.org/2025/bridges2025-271.html}
}