A copy of a 4x4 DISKO solution in Braille. Constructed by students at the Indiana School for the Blind on magnetized squares on a "toasted", i.e. raised grid.
This is an electronic copy of a document created by Jeremiah Farrell. Archived with permission. The author(s) reserves all rights.
Farrell, Jeremiah, "DISKO Solution in Braille" / (2005): -.
Available at https://digitalcommons.butler.edu/facsch_papers/911