what can be done with circles, squares & triangles?

first, draw a bunch of combos in a sketchbook (for my niece’s birthday), then vectorize them (in inDesign, no less! a pdf is available) just to see what happens. pros and cons? is one version better than the other? sometimes i just don’t know. so…

drawn (pages 1 – 13):

vectorized (pages 1 – 13):