Customized version of http://www.thingiverse.com/thing:1665478

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1665478

Using the following options:

bracket_height = 9
bracket_small_ends = 5
thickness = 2.5
clamp_centering_length = 5
smartphone_thickness = 12.4
clamp_length = 23
clamp_angle2 = 30
clamp_angle1 = 20
smartphone_width = 57
clamp_gap = 0.5
clamp_rotation = 0