Customized version of http://www.thingiverse.com/thing:744385

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=744385

Using the following options:

iterations = 2
scale_factor = 1
outer_rad = 5
which_twists = 3
floor_thickness = 5
smoothness = 30
vase_h = 120
base_shell_thickness = 2.5
square_size = 55
twist_deg = 108