Customized version of http://www.thingiverse.com/thing:1626726

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1626726

Using the following options:

morepegs = N
removepegs = N
solid = N
peg2peg = 15
base = Y
thickness = 1.6
offset = 0
rows = 0
pegDiameter = 4.7
pegFitpercentage = 3
parttype = R
height = 30
subtractpercent = -0.3
pegs = 1
depth = 25
pegLength = 4
width = 60
subtractangle = Y