!



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


material mat1

prism_   4, 0.015, 

    a/2-aszj, 0.005, 15,
   -a/2+tsz-0.01, 0.005, 15,
   -a/2+tsz-0.01, am-tsz+0.01, 15,
    a/2-aszj, am-tsz+0.01, 15




