Customized version of http://www.thingiverse.com/thing:99020

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=99020

Using the following options:

bottom_diameter = 80
height = 73
sleeve_z_offset = 0
sleeve_height_percent = 95
border = 7
size = 18
top_diameter = 89
pattern_spin = 9
color = navy
overlap = 5
res = 30
sides = 7
line_thickness = 4
spin = 51
thickness = 3