The thermomechanical effect (TME) in normal liquid 3He occurs when two reservoirs of 3He at different temperatures are separated by a constriction. Quasiparticles flow from cold to hot, generating a pressure difference analogous to thermoelectricity in metals and the thermomolecular effect in a Maxwell gas. With a packed powder as the constriction, the experimental pressure gradient was half the theoretical Δ P/Δ T= S/3, where S is the entropy per unit volume. To reproduce the long, narrow tube geometry of the theory, we have replaced the packed powder with a stack of thin Anopore discs, with narrow, collinear channels. To study the magnetically induced 30× enhancement of the TME, we are measuring the TME as the specularity and magnetic character of the surface are varied.