_foam: Blackboard
_foam: The introduction
_foam: Macrame
_foam: Knots & dissections
_foam: Human knot
_foam: Moebius complex
_foam: Moebius dance
_foam: Moebius star
_foam: Moebius tangle
_foam: Moebius strips: dissected
_foam: Cocky's notation
_foam: Intuition vs evidence...
_foam: Summary wall
_foam: Euclidean & non-euclidean geometries
_foam: Learning crochet
_foam: Cocky's first crochet
_foam: The crocheting ladies
_foam: Stéphanie's hyperbolic crocheting
_foam: Hyperbolic plane
_foam: Mountains and valleys
_foam: Folding a hyperbolic paraboloid
_foam: Unfolding a hyperbolic paraboloid
_foam: Connected hyperbolic paraboloids
_foam: Multiple hyperbolic paraboloids
_foam: Origami patterns
_foam: Origami buildings: unfolded
_foam: Origami buildings: folded
_foam: Origami building
_foam: Stabilising origami
_foam: Paper origami: back