[Nyabs] Using Clay and Pipe Cleaners to Learn Geometry

[NYABS Board]

NYABS,

The Braille Monitor recently published an article about a blind 
university student who learns geometry using pipe cleaners and clay, and 
by working with a fellow student.

Check it out here:
http://www.nfb.org/images/nfb/Publications/bm/bm11/bm1110/bm111010.htm

What kind of techniques have you used while covering highly visual 
topics in school?


-Kathryn