p1 = ParametricPlot3D[{2.5 Cos[u] + (1.5 Cos[v]*Cos[u]),
2.5 Sin[u] + (1.5 Cos[v]*Sin[u]), 1.5 Sin[v]}, {v, 0, 2 Pi}, {u,
0, 2 Pi}];
p2 = ParametricPlot3D[{(2.5 + 1.5 Cos[v]) Cos[
v/2], (2.5 + 1.5 Cos[v]) Sin[v/2], 1.5 Sin[v]}, {v, 0, 2*Pi}];
Show[p1, p2]