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_small_ends = 5
clamp_angle2 = 30
clamp_angle1 = 20
bracket_height = 20
clamp_length = 23
smartphone_width = 72
clamp_rotation = 0
clamp_centering_length = 5
thickness = 2.5
clamp_gap = 0.5
smartphone_thickness = 9.5