graphics3d - How to make overlapped part to be transparent?

I want to ask is it possible to make the overlapped part to be transparent in Graphics3D.

Graphics3D[{Brown, {Cuboid[{0, 0, 0}, {0.8, 0.1, 2}], Opacity[0], 
   White, Cuboid[{0.1, -0.001, 1.35}, {0.7, 0.101, 1.85}]}}]