Customized version of http://www.thingiverse.com/thing:51443

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=51443

Using the following options:

build_plate_manual_y = 100
build_plate_manual_x = 100
radial_shift_periods = 2
full_twists_per_rotation = 0
z_shift_length = 0
face_rotational_variation_periods = 2
face_rotational_variation_angle = 0
segment_spacing_variation_periods = 2
sides = 4
segment_spacing_variation_angle = 0
z_shift_period = 2
build_plate_selector = 0
face_twist_variation_angle = 0
face_twist_variation_periods = 2
scale_segment_variation_min = 1
segments = 8
rotate_all_sides_angle = 0
inside_diameter = 60
height_of_band = 10
tube_offset_per_segment = 0
scale_segment_variation_periods = 4
tube_diameter = 4
scale_segment_variation_max = 1
level_of_solid_fill = hollow
width_of_band = 14
segment_twist_variation_angle = 0
mesh_quality = 3
segment_twist_variation_periods = 2
radial_shift_length = 0