Customized version of http://www.thingiverse.com/thing:59294

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=59294

Using the following options:

height_clip = 1.75
pattern_shape = 6
build_plate_selector = 0
r_c = 2.02
cm_faktor = 10
diameter_bar = 19.25
your_thing = 3
pattern_radius = 8
tray_length = 4
pattern_rotation = 0
height_cylinders = 2.15
tray_width = 7.5
pattern_thickness = 4
tray_width_corners = 1
tray_height = 1.75
pattern_overlap = 15