def METHOD_NAME(request):
    if request.param == "interval":
        base = UnitIntervalMesh(4)
    elif request.param == "square":
        base = UnitSquareMesh(5, 4)
    elif request.param == "quad-square":
        base = UnitSquareMesh(4, 6, quadrilateral=True)
    return ExtrudedMesh(base, layers=10, layer_height=0.1,
                        extrusion_type="uniform", name=mesh_name)