Coloring and Doodling
Crayola Coloring Pages
Assortment of printable pages for adults and kids
Faber-Castell Coloring Pages
Assortment of printable pages for adults
Inspirograph
Just like the real thing!
Scribbler Too (requires Adobe Flash)
Line art doodling
Silk
Make symmetrical (or asymmetrical) art
Origami
Origami for Everyone
Instructables guides
Printable Origami Paper
Beautiful, traditional origami paper made for printing. Also includes a number of origami projects.
The Spruce Crafts: Origami
Traditional and non-traditional origami designs to follow step-by-step