diff --git a/docs/tutorials/PerformanceCliffordTutorial.ipynb b/docs/tutorials/PerformanceCliffordTutorial.ipynb
index f78aa6d0..d5a37cb4 100644
--- a/docs/tutorials/PerformanceCliffordTutorial.ipynb
+++ b/docs/tutorials/PerformanceCliffordTutorial.ipynb
@@ -188,7 +188,7 @@
    "outputs": [],
    "source": [
     "def apply_rotor_faster(R,mv):\n",
-    "    return layout.MultiVector(layout.gmt_func(R.value,layout.gmt_func(mv.value,layout.adjoint_func(R.value))) )"
+    "    return layout.MultiVector(layout.gmt_func(R.value,layout.gmt_func(mv.value,layout.adjoint_func(R.value))), copy=False)"
    ]
   },
   {
@@ -253,7 +253,7 @@
     "    return gmt_func(R_val,gmt_func(mv_val,adjoint_func(R_val)))\n",
     "\n",
     "def apply_rotor_wrapped(R,mv):\n",
-    "    return cf.MultiVector(layout,apply_rotor_val(R.value,mv.value))"
+    "    return layout.MultiVector(apply_rotor_val(R.value, mv.value), copy=False)"
    ]
   },
   {
@@ -312,7 +312,7 @@
     "    return gmt_func(R_val,gmt_func(mv_val,adjoint_func(R_val)))\n",
     "\n",
     "def apply_rotor_wrapped_numba(R,mv):\n",
-    "    return cf.MultiVector(layout,apply_rotor_val_numba(R.value,mv.value))"
+    "    return layout.MultiVector(apply_rotor_val_numba(R.value,mv.value), copy=False)"
    ]
   },
   {
@@ -374,7 +374,7 @@
     "    return -dual_val( omt_func( dual_val(mv_a_val) , dual_val(mv_b_val)) )\n",
     "\n",
     "def meet_wrapped(mv_a,mv_b):\n",
-    "    return cf.layout.MultiVector(meet_val(mv_a.value, mv_b.value))\n",
+    "    return layout.MultiVector(meet_val(mv_a.value, mv_b.value), copy=False)\n",
     "\n",
     "sphere = (up(0)^up(e1)^up(e2)^up(e3)).normal()\n",
     "print(sphere.meet(line_one).normal().normal())\n",
@@ -555,7 +555,7 @@
     "    return left_rotor_mult(R_val,right_rotor_mult(mv_val,adjoint_func(R_val)))\n",
     "\n",
     "def sparse_apply_rotor(R,mv):\n",
-    "    return cf.MultiVector(layout,sparse_apply_rotor_val(R.value,mv.value))"
+    "    return layout.MultiVector(sparse_apply_rotor_val(R.value, mv.value), copy=False)"
    ]
   },
   {
@@ -619,7 +619,7 @@
     "    return -dual_sparse_val( sparse_omt_2_1( dual_sparse_val(mv_a_val) , dual_sparse_val(mv_b_val)) )\n",
     "\n",
     "def meet_sparse_3_4(mv_a,mv_b):\n",
-    "    return cf.layout.MultiVector(meet_sparse_3_4_val(mv_a.value, mv_b.value))\n",
+    "    return layout.MultiVector(meet_sparse_3_4_val(mv_a.value, mv_b.value), copy=False)\n",
     "\n",
     "print(sphere.meet(line_one).normal().normal())\n",
     "print(meet_sparse_3_4(line_one,sphere).normal())"