Binary Abacus 8 bits

Customized version of http://www.thingiverse.com/thing:319514

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=319514

Instructions

Using the following options:

number_of_5_counters = 0

Thickness_of_box = 4

distance_between_balls = 9

number_of_rods = 8

rod_distance = 1.05

number_of_1_counters = 1

box_free_space = 4