Customized version of http://www.thingiverse.com/thing:219574

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=219574

Using the following options:

master_seed = 14
num_z = 7
num_x = 10
v_ratio = 0.5
by_adjust = 0.1
bx_adjust = 0.1
z_compression = 0.9
mortar = 1
maximum_rotation_angle = 12
bz = .3
base = 1
n = 8
W = 5
V = 4
U = 7
power = 0
u_adjust = -0.10