!



mat1 = c
mat2 = d
tsz = e
tm = f
am = g


material mat1

prism_   4, 0.015, 
    0, 0.005, 15,
    a/2-tsz+0.01, 0.005, 15,
    a/2-tsz+0.01, am-tsz+0.01, 15,
    0, am-tsz+0.01, 15


addz 0.015
addy 0.95
addx 0.06

call "handle_1" mat2

addz -0.015
mulz -1

call "handle_1" mat2
