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:

base = 0
u_adjust = -0.15
by_adjust = 0
master_seed = 14
num_z = 9
num_x = 9
bx_adjust = 0
bz = 0
power = 0
z_compression = 0.9
maximum_rotation_angle = 12
mortar = 1
n = 8
W = 4
V = 2
U = 3
v_ratio = 0.5