hyperbolic geometry
http://home.cfl.rr.com/pt/Hyper.htm
http://www.techfak.uni-bielefeld.de/ags/ni/projects/datamining/h2vis/
poincaré hyperbolic disk
http://mathworld.wolfram.com/PoincareHyperbolicDisk.html
hyperbolic
Self Organising Maps
http://www.techfak.uni-bielefeld.de/ags/ni/projects/hsom/hsom.html
and
InfoViz
tamara munzner's h3 work
http://www.acm.org/sigchi/chi95/Electronic/documnts/papers/jl_bdy.htm
and crocheting
http://www.theiff.org/lectures/02.html
http://www.math.cornell.edu/~dwh/papers/crochet/crochet.html
and knots
http://www.pims.math.ca/knotplot/hyper/
some folding
http://theory.csail.mit.edu/~edemaine/hypar/
software
SnapPea “for creating and studying hyperbolic 3-manifolds” >
http://www.geometrygames.org/SnapPea/
Category Mathematics