Customized version of http://www.thingiverse.com/thing:615256

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=615256

Using the following options:

block_type = baseplate
wing_stud_notches = yes
technic_holes = no
curve_end_height = 0
block_brand = lego
wing_end_width = 2
curve_type = concave
vertical_axle_holes = no
block_height_ratio = .5
roadway_y = 0
roadway_x = 0
stud_type = solid
block_length = 24
wing_base_length = 3
roadway_length = 0
use_reinforcement = yes
slope_end_height = 0
stud_rescale = 1
dual_bottom = no
slope_stud_rows = 1
dual_sided = no
block_width = 24
roadway_width = 0
curve_stud_rows = 5
wing_type = full