diff --git a/docs/examples/fields/field_examples.ipynb b/docs/examples/fields/field_examples.ipynb
index 47fb957..eef00a9 100644
--- a/docs/examples/fields/field_examples.ipynb
+++ b/docs/examples/fields/field_examples.ipynb
@@ -11,12 +11,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:42.691718Z",
-     "iopub.status.busy": "2024-10-17T23:18:42.691369Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.214968Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.214709Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -34,12 +28,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.216530Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.216397Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.222631Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.222403Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -59,12 +47,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.242901Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.242783Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.358240Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.357983Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -83,12 +65,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.359545Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.359444Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.499704Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.499473Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -107,14 +83,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.501037Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.500949Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.565691Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.565442Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "z, Bz = FM.axis_values(\"z\", \"abs_B\", r=0.04)\n",
@@ -136,14 +105,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.566956Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.566877Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.569243Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.569030Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM.interpolate(\"Bz\", (0.01, 0, 0))"
@@ -152,14 +114,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.570364Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.570291Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.572425Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.572201Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM.interpolate(\"Bz\", [(0, 0, z) for z in np.linspace(-0.1, 0.1, 3)])"
@@ -175,14 +130,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.573534Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.573458Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.575372Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.575172Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM.axis_labels"
@@ -201,12 +149,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.576439Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.576368Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.578631Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.578342Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -227,12 +169,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.580371Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.580300Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.582105Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.581905Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -244,12 +180,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.583181Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.583109Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.585004Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.584813Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -268,12 +198,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.586311Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.586238Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.588336Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.588142Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -292,12 +216,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.589652Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.589587Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.591656Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.591460Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -305,6 +223,34 @@
     "FM.mins, FM.maxs, FM.deltas"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "FM.zmin, FM.zmax"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Convenient setting"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "zmin_save = FM.zmin\n",
+    "FM.zmin = 0\n",
+    "print(FM.zmin, FM.zmax)\n",
+    "FM.zmin = zmin_save"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -316,12 +262,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.592947Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.592876Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.594932Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.594728Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -340,12 +280,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.596009Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.595943Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.598174Z",
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-    },
     "tags": []
    },
    "outputs": [],
@@ -364,12 +298,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.599301Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.599229Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.601120Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.600931Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -388,12 +316,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.602182Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.602111Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.604082Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.603894Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -412,14 +334,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.605160Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.605092Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.607118Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.606922Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM[\"magneticField/z\"]"
@@ -435,14 +350,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.608179Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.608112Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.610064Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.609879Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM[\"Bz\"]"
@@ -452,12 +360,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.611105Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.611026Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.613064Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.612865Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -478,12 +380,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.614131Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.614062Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.705873Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.705622Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -503,12 +399,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.707158Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.707050Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.795881Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.795634Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -527,12 +417,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.797129Z",
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-    },
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@@ -555,12 +439,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.800298Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.800221Z",
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-    },
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@@ -599,12 +477,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.907833Z",
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-     "shell.execute_reply": "2024-10-17T23:18:43.909701Z"
-    },
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    },
    "outputs": [],
@@ -623,12 +495,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.911016Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.910948Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.912844Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.912648Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -647,12 +513,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.914054Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.913981Z",
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-     "shell.execute_reply": "2024-10-17T23:18:43.918224Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -671,12 +531,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.919573Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.919499Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.924086Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.923875Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -697,12 +551,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.925284Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.925212Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.931910Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.931653Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -727,14 +575,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.933175Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.933074Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.936186Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.935940Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM.write_astra_1d(\"astra_1d.dat\")"
@@ -750,14 +591,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.937434Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.937331Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.939885Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.939519Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM.to_astra_1d()"
@@ -776,12 +610,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.941363Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.941262Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.964397Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.964127Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -801,12 +629,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.965715Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.965635Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.967730Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.967519Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -825,12 +647,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.968998Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.968926Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.970671Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.970473Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -849,12 +665,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.971739Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.971668Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.973805Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.973561Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -873,12 +683,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.974915Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.974848Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.976595Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.976394Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -898,12 +702,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.978059Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.977994Z",
-     "iopub.status.idle": "2024-10-17T23:18:43.979877Z",
-     "shell.execute_reply": "2024-10-17T23:18:43.979666Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -915,12 +713,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:43.980937Z",
-     "iopub.status.busy": "2024-10-17T23:18:43.980869Z",
-     "iopub.status.idle": "2024-10-17T23:18:44.178177Z",
-     "shell.execute_reply": "2024-10-17T23:18:44.177932Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -965,12 +757,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:44.179670Z",
-     "iopub.status.busy": "2024-10-17T23:18:44.179568Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.267675Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.267382Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -1001,12 +787,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.269190Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.269066Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.359403Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.359183Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -1019,12 +799,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.360577Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.360494Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.413051Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.412836Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -1045,12 +819,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.414206Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.414126Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.431076Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.430841Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -1063,12 +831,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.432156Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.432083Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.433997Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.433762Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -1087,12 +849,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.435203Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.435012Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.437347Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.437118Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -1111,12 +867,6 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.438472Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.438391Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.441445Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.441213Z"
-    },
     "tags": []
    },
    "outputs": [],
@@ -1139,14 +889,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.442628Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.442530Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.451459Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.451257Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM3D = FieldMesh.from_ansys_ascii_3d(\n",
@@ -1162,14 +905,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.452610Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.452525Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.454832Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.454618Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM3D.attrs"
@@ -1185,14 +921,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.456002Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.455927Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.461253Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.461050Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM3D.write(\"../data/rfgun_rectangular.h5\")"
@@ -1208,14 +937,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.462395Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.462304Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.464240Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.464026Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "FM2D = FM3D.to_cylindrical()\n",
@@ -1232,14 +954,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "execution": {
-     "iopub.execute_input": "2024-10-17T23:18:50.465256Z",
-     "iopub.status.busy": "2024-10-17T23:18:50.465160Z",
-     "iopub.status.idle": "2024-10-17T23:18:50.467295Z",
-     "shell.execute_reply": "2024-10-17T23:18:50.467076Z"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "import os\n",
@@ -1265,7 +980,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.7"
+   "version": "3.12.6"
   }
  },
  "nbformat": 4,
diff --git a/environment.yml b/environment.yml
index 5806a1a..e0625d1 100644
--- a/environment.yml
+++ b/environment.yml
@@ -22,4 +22,3 @@ dependencies:
   - pip
   - pip:
       - mkdocstrings-python
-      - git+https://github.com/openPMD/openPMD-validator@2.0.X
diff --git a/pmd_beamphysics/fields/fieldmesh.py b/pmd_beamphysics/fields/fieldmesh.py
index 29c98b2..5fb153d 100644
--- a/pmd_beamphysics/fields/fieldmesh.py
+++ b/pmd_beamphysics/fields/fieldmesh.py
@@ -60,6 +60,56 @@
 }
 
 
+def _create_delta_property(name):
+    def getter(self):
+        return self.deltas[self.axis_index(name)]
+
+    return property(getter, doc=f"Mesh spacing in {name}  in units of {pg_units(name)}")
+
+
+def _create_max_property(name):
+    def getter(self):
+        return self.maxs[self.axis_index(name)]
+
+    def setter(self, value):
+        # Setting the max => shift the min
+        i = self.axis_index(name)
+        mins = list(self.attrs["gridOriginOffset"])
+        mins[i] = mins[i] + float(value) - self.maxs[i]
+        self.attrs["gridOriginOffset"] = tuple(mins)
+
+    return property(
+        getter,
+        setter,
+        doc=f"Mesh maximum in {name} in units of {pg_units(name)}. This can also be set.",
+    )
+
+
+def _create_min_property(name):
+    def getter(self):
+        return self.mins[self.axis_index(name)]
+
+    def setter(self, value):
+        mins = list(self.attrs["gridOriginOffset"])
+        mins[self.axis_index(name)] = float(value)
+        self.attrs["gridOriginOffset"] = tuple(mins)
+
+    return property(
+        getter,
+        setter,
+        doc=f"Mesh minimum in {name} in units of {pg_units(name)}. This can also be set.",
+    )
+
+
+def _create_scaled_component_property(name):
+    def getter(self):
+        return self.scaled_component(name)
+
+    return property(
+        getter, doc=f"Scaled 3D mesh for {name} in units of {pg_units(name)}"
+    )
+
+
 class FieldMesh:
     """
     Class for openPMD External Field Mesh data.
@@ -820,7 +870,6 @@ def scaled_component(self, key):
             return dat
 
     # Convenient properties
-    # TODO: Automate this?
     @property
     def r(self):
         return self.coord_vec("r")
@@ -834,86 +883,55 @@ def z(self):
         return self.coord_vec("z")
 
     # Deltas
-    ## cartesian
-    @property
-    def dx(self):
-        return self.deltas[self.axis_index("x")]
-
-    @property
-    def dy(self):
-        return self.deltas[self.axis_index("y")]
-
-    ## cylindrical
-    @property
-    def dr(self):
-        return self.deltas[self.axis_index("r")]
-
-    @property
-    def dtheta(self):
-        return self.deltas[self.axis_index("theta")]
-
-    @property
-    def dz(self):
-        return self.deltas[self.axis_index("z")]
+    dx = _create_delta_property("x")
+    dy = _create_delta_property("y")
+    dz = _create_delta_property("z")
+    dr = _create_delta_property("r")
+    dtheta = _create_delta_property("theta")
+
+    # Maxs
+    # Create max properties dynamically
+    xmax = _create_max_property("x")
+    ymax = _create_max_property("y")
+    zmax = _create_max_property("z")
+    rmax = _create_max_property("r")
+    thetamax = _create_max_property("theta")
+
+    # Mins
+    # Create min properties dynamically
+    xmin = _create_min_property("x")
+    ymin = _create_min_property("y")
+    zmin = _create_min_property("z")
+    rmin = _create_min_property("r")
+    thetamin = _create_min_property("theta")
 
     # Scaled components
-    # TODO: Check geometry
-    ## cartesian
-    @property
-    def Bx(self):
-        return self.scaled_component("Bx")
-
-    @property
-    def By(self):
-        return self.scaled_component("By")
-
-    @property
-    def Ex(self):
-        return self.scaled_component("Ex")
-
-    @property
-    def Ey(self):
-        return self.scaled_component("Ey")
-
-    ## cylindrical
-    @property
-    def Br(self):
-        return self.scaled_component("Br")
-
-    @property
-    def Btheta(self):
-        return self.scaled_component("Btheta")
-
-    @property
-    def Bz(self):
-        return self.scaled_component("Bz")
-
-    @property
-    def Er(self):
-        return self.scaled_component("Er")
-
-    @property
-    def Etheta(self):
-        return self.scaled_component("Etheta")
-
-    @property
-    def Ez(self):
-        return self.scaled_component("Ez")
+    # Dynamically create scaled properties
+    Bx = _create_scaled_component_property("Bx")
+    By = _create_scaled_component_property("By")
+    Bz = _create_scaled_component_property("Bz")
+    Br = _create_scaled_component_property("Br")
+    Btheta = _create_scaled_component_property("Btheta")
+    Ex = _create_scaled_component_property("Ex")
+    Ey = _create_scaled_component_property("Ey")
+    Ez = _create_scaled_component_property("Ez")
+    Er = _create_scaled_component_property("Er")
+    Etheta = _create_scaled_component_property("Etheta")
 
     @property
     def B(self):
         if self.geometry == "cylindrical":
             if self.is_static:
-                return np.hypot(self["Br"], self["Bz"])
+                return np.hypot(self.Br, self.Bz)
             else:
-                return np.abs(self["Btheta"])
+                return np.abs(self.Btheta)
         else:
             raise ValueError(f"Unknown geometry: {self.geometry}")
 
     @property
     def E(self):
         if self.geometry == "cylindrical":
-            return np.hypot(np.abs(self["Er"]), np.abs(self["Ez"]))
+            return np.hypot(np.abs(self.Er), np.abs(self.Ez))
         else:
             raise ValueError(f"Unknown geometry: {self.geometry}")
 
diff --git a/tests/test_fieldmesh.py b/tests/test_fieldmesh.py
index 2290e76..294e404 100644
--- a/tests/test_fieldmesh.py
+++ b/tests/test_fieldmesh.py
@@ -3,13 +3,18 @@
 import numpy as np
 import tempfile
 
+import pytest
 
-def test_dipole_corrector():
+
+@pytest.fixture(scope="module")
+def fm_dipole_corrector():
+    """Fixture to create and return the FM object for dipole corrector fieldmesh."""
     R = 0.02
     L = 0.1
     theta = np.pi / 2
     current = 1
 
+    # Create the FM object (this will only be done once per test module)
     FM = make_dipole_corrector_fieldmesh(
         current=current,
         xmin=-R,
@@ -27,6 +32,12 @@ def test_dipole_corrector():
         theta=theta,
         npts=20,
     )
+    return FM
+
+
+# First test using the FM fixture
+def test_dipole_corrector_read_impact_emfield_cartesian(fm_dipole_corrector):
+    FM = fm_dipole_corrector
 
     # Test read/write impact_emfield_cartesian
     with tempfile.NamedTemporaryFile(delete=False) as temp_file:
@@ -37,3 +48,21 @@ def test_dipole_corrector():
         )
 
     assert FM == FM2
+
+
+# Another test that uses the same FM object
+def test_fieldmesh_limits(fm_dipole_corrector):
+    FM = fm_dipole_corrector
+
+    # Example test to check attributes
+    assert FM.xmax == 0.02
+    assert FM.ymax == 0.02
+
+    # Test setting zmax
+    L1 = FM.zmax - FM.zmin
+    FM.zmax = 100
+    L2 = FM.zmax - FM.zmin
+    assert L1 == L2
+    FM.zmin = 100
+    L3 = FM.zmax - FM.zmin
+    assert L1 == L3