Ran out of filament
Customized version of http://www.thingiverse.com/thing:2094215

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=2094215

Using the following options:

resolution_multiplier = 0.25
thread_extra_thickness = 1
cable_hole_radius = 2.5
black_min = 0.1
inner_radius = 73.5
pitch = 5
border = 25
inner_thread_thickness = 5
cutoff = 45
build_plate_selector = 0
white_max = 0.6
outer_radius = 75
bottom_thickness = 2
cable_hole_position = 38.5
build_plate_manual_y = 100
build_plate_manual_x = 100
cable_hole_count = 1
white_threshold = 1
cooler_height = 23.3
cooler_radius = 33.5
black_threshold = 0.1
thread_tolerance = 0.5