Customized version of http://www.thingiverse.com/thing:114247

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=114247

Using the following options:

pin_cap_width = 4
ring_height = 6
ring_width = 4
element = O
Build_Plate_Manual_Width = 140
pin_radius = 2.45
pin_cap_gap = .45
font_depth = 2.5
mesh_resolution = 70
center_radius = 4
ring_height_step = .5
font = write/orbitron.dxf
Build_Plate_Type = 3
pin_hole_radius = 3
ring_spacing = 2.5
Build_Plate_Manual_Length = 140