 
Summary: Sewing Ribbons on Graphs in Space
Dan Archdeacon
Department of Mathematics and Statistics, University of Vermont, Burlington, VT
05405, U.S.A.
Email: dan.archdeacon@uvm.edu
and
C. Paul Bonnington
Department of Mathematics, University of Auckland, Auckland, New Zealand
Email: p.bonnington@auckland.ac.nz
and
R. Bruce Richter
Department of Combinatorics and Optimization, University of Waterloo, Waterloo,
Ont., Canada
Email: brichter@math.uwaterloo.ca
and
Jozef Siran
Department of Mathematics, SvF, Slovak University of Technology, 813 68
Bratislava, Slovakia
Email: siran@lux.svf.stuba.sk
An open ribbon is a square with one side called the seam. A closed rib
