Replacing Photoshop with NSString
Feature idea: BRUSH. After finishing a shape or stroke, call it a brush and drag it.Brush from a shape (like in the example chevron):  . 2 3 . . . .
  . 1 4B# . . . 
  . . # # # . . 
  . . . # # # . 
  . . . # # 5 . 
  . . # # # . . 
  . # # # . . . 
  . # 6 . . . . 
Brush from single line stroke (like a 'calligraphic pen'):  . 1b# # # # 2
  1 # # # # # .
  . . . . # . .
  . . . # . . .
  . . # . . . .
  . 3 # # # # 4
  # # # # # # .

This would also ease creating complex strokes with rounded corners: with ellipses or other rounded shapes as a brushes.