Customized version of http://www.thingiverse.com/thing:868009

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=868009

Using the following options:

guide_rod_diameter = 5.5
payload_shockcord_fixing = no
guide_tube_height = 35
fin_base_height = 60
fin_base_offset = 20
fin_tip_flat_base = 5
body_height = 35
inner_diameter = 49
payload_coupling_type = smooth
show_engine = no
guide_type = rod
cone_type = curved
payload_bulkhead = no
guide_rail_thickness = 2
fin_tip_offset = -10
shock_cord_fixing = yes
motor_tolerance = 0.3
curve_precision = 36
payload_height = 15
perimeter_width = 1
payload_inner_diameter = 30
coupling_height = 10
fin_can_guide = yes
one_big_solid = no
fin_tip_height = 93
engine_type = standard
fin_width = 40
show_guide = no
fin_can_height = 90
coupling_tolerance = 0.3
cone_bulb_diameter = 20
fin_twist = 3
cone_bluntness = 50
payload_coupling_height = 40
payload = yes
number_of_fins = 3
section_view = no
body_guide = yes
payload_guide = yes
guide_rail_opening = 5
cone_haack_constant = 0.3333
fin_type = trapezoid
cone_height = 90
fin_can_print_support = yes