Customized version of http://www.thingiverse.com/thing:128069

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=128069

Using the following options:

build_plate_manual_y = 100
build_plate_manual_x = 100
space = .5
wall = 1.2
build_plate_selector = 0
custom_diameter = 19
custom_length = 70
cells = 1
type = custom