# basic 
substrate = bulk
l_1 = layer("2/0")

#some thick layer growths
test1 = deposit(0.5)
test2 = deposit(1.0)
test3 = deposit(2.0)
mask(l_1).etch(1, :into => [test1, test2, test3])

#build my drawing
output("300/0", substrate)
output("301/0", test1)
output("302/0", test2)
output("303/0", test3)