Abstract Photography!! a ton of photo fragments that when in many pieces seem chaotic, but when put together correctly make up a picture:)
Aleksandr Rodchenko, LInear Construction, 1919
Despite Straight Lines: The Very Best of Marilyn [Bonus Tracks] [CD], 14142437
Curve = great instructions/howtos at this site too. - MM sez: it is wonderful see curved structures/shapes appearing from making only straight lines.
A quick tip on drawing straight lines and avoiding shaky hand lettering.
Designart 'Glowing Straight Lines' Abstract Digital Art Circle Wall Art
Worksheets for cutting in a variety of styles like: straight lines, curved and so on...
How to Create Parabolic Curves Using Straight Lines « Math Craft