Customized version of http://www.thingiverse.com/thing:168277

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=168277

Using the following options:

crank_wheel_type = spoke4
crank_shaft_length = 80
shaft_diameter = 6.02
crank_bolt_diameter = 5
round_knob_flange_width = 0.2
crank_print_handle = retainer
round_knob_groove_angle = 2.1
round_knob_pointer_angle = 0
knob_height = custom
crank_handle_length = 80
round_knob_stem_height = 0
round_knob_top_ratio = 0.9
crank_nut_flat_width = 7.9
crank_handle_diameter = 20
knob_style = round
knob_height_custom = 14
crank_wheel_multiplier = 7.5
shaft_penetration = 9
crank_shaft_multiplier = 2.2
shaft_flattened = 4.47
round_knob_pointer_type = none