#
#Num Features
#
F 4

#
#Units
#
U INCH

#
#Feature symbol names
#
$0 r5

#
#Layer features
#
L -0.4 -0.45 -0.4 0.5 0 P 0 
L -0.4 0.5 0.4 0.5 0 P 0 
L 0.4 0.5 0.4 -0.45 0 P 0 
L 0.4 -0.45 -0.4 -0.45 0 P 0 
