Customized version of http://www.thingiverse.com/thing:398199
Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=398199
Using the following options:
twist = 179
sides = 5
top = 70
layerheight = 0.2
anti = no
height = 150
base2 = 35
base = 50
shape = polygon