Spider by John Montroll

Diagrams in Bugs and Birds in Origami by John Montroll
Diagrams in Bugs in Origami by John Montroll
Folded from a square of Vietnamese wrapping-paper

Spider - orb weaver by Robert J. Lang

Diagrams in Origami Insects And Their Kin by Robert J. Lang
Folded from a square of origami paper

Tarantula by Robert J. Lang

Diagrams in Origami Insects And Their Kin by Robert J. Lang
Folded from a square of origami paper

Tarantula by Robert J. Lang

Diagrams in Origami Insects 2 by Robert J. Lang
Folded from a painted square of thin brown wrapping paper