Article date: Aug 1978
Article title: A Möbius band has a finite thickness, and so it is actually a twisted prism
Mathematical Games column? Y
Book: 14. Fractal Music, Hypercards and More...: Mathematical Recreations from Scientific American Magazine
Chapter: 5. Twisted Prismatic Rings
This data confirmed? yes
Notes
Peter Rowlett (27 August 2022):
Peter Rowlett initial guess (Uncertain)
Peter Rowlett (4 November 2023):
I have seen this chapter and column side-by-side and they match.