diff --git a/packages/components/src/components/DistributionChart.tsx b/packages/components/src/components/DistributionChart.tsx
index f1bb9ce0..43702aaf 100644
--- a/packages/components/src/components/DistributionChart.tsx
+++ b/packages/components/src/components/DistributionChart.tsx
@@ -44,7 +44,7 @@ export const DistributionChart: React.FC<DistributionChartProps> = ({
         shape.value.continuous.some((x) => x.x <= 0) ||
         shape.value.discrete.some((x) => x.x <= 0);
       let spec = buildVegaSpec(isLogX, isExpY);
-      let widthProp = width ? width - 20 : size.width - 10;
+      let widthProp = width ? width : size.width;
 
       // Check whether we should disable the checkbox
       var logCheckbox = (
@@ -65,11 +65,11 @@ export const DistributionChart: React.FC<DistributionChartProps> = ({
       }
 
       var result = (
-        <div>
+        <ChartContainer width={widthProp + "px"}>
           <Vega
             spec={spec}
             data={{ con: shape.value.continuous, dis: shape.value.discrete }}
-            width={widthProp}
+            width={widthProp - 10}
             height={height}
             actions={false}
           />
@@ -80,7 +80,7 @@ export const DistributionChart: React.FC<DistributionChartProps> = ({
               <CheckBox label="Exp Y scale" value={isExpY} onChange={setExpY} />
             </div>
           )}
-        </div>
+        </ChartContainer>
       );
     } else {
       var result = (
@@ -95,6 +95,12 @@ export const DistributionChart: React.FC<DistributionChartProps> = ({
   return sized;
 };
 
+type ChartContainerProps = { width: string };
+
+let ChartContainer = styled.div<ChartContainerProps>`
+  width: ${(props) => props.width};
+`;
+
 function buildVegaSpec(isLogX: boolean, isExpY: boolean): VisualizationSpec {
   return {
     ...chartSpecification,
@@ -141,10 +147,33 @@ type SummaryTableProps = {
   distribution: Distribution;
 };
 
-const Table = styled.table``;
+const Table = styled.table`
+  margin-left: auto;
+  margin-right: auto;
+  border-collapse: collapse;
+  text-align: center;
+  border-style: hidden;
+`;
+
+const TableHead = styled.thead`
+  border-bottom: 1px solid rgb(141 149 167);
+`;
+
+const TableHeadCell = styled.th`
+  border-right: 1px solid rgb(141 149 167);
+  border-left: 1px solid rgb(141 149 167);
+  padding: 0.3em;
+`;
+
+const TableBody = styled.tbody``;
+
 const Row = styled.tr``;
-const Cell = styled.td``;
-const TableHeader = styled.th``;
+
+const Cell = styled.td`
+  padding: 0.3em;
+  border-right: 1px solid rgb(141 149 167);
+  border-left: 1px solid rgb(141 149 167);
+`;
 
 const SummaryTable: React.FC<SummaryTableProps> = ({
   distribution,
@@ -179,26 +208,30 @@ const SummaryTable: React.FC<SummaryTableProps> = ({
 
   return (
     <Table>
-      <Row>
-        <TableHeader>{"Mean"}</TableHeader>
-        <TableHeader>{"5%"}</TableHeader>
-        <TableHeader>{"10%"}</TableHeader>
-        <TableHeader>{"Q1 (25%)"}</TableHeader>
-        <TableHeader>{"Median (50%)"}</TableHeader>
-        <TableHeader>{"Q3 (75%)"}</TableHeader>
-        <TableHeader>{"90%"}</TableHeader>
-        <TableHeader>{"95%"}</TableHeader>
-      </Row>
-      <Row>
-        <Cell>{unwrapResult(mean)}</Cell>
-        <Cell>{unwrapResult(p5)}</Cell>
-        <Cell>{unwrapResult(p10)}</Cell>
-        <Cell>{unwrapResult(Q1)}</Cell>
-        <Cell>{unwrapResult(median)}</Cell>
-        <Cell>{unwrapResult(Q3)}</Cell>
-        <Cell>{unwrapResult(p90)}</Cell>
-        <Cell>{unwrapResult(p95)}</Cell>
-      </Row>
+      <TableHead>
+        <Row>
+          <TableHeadCell>{"Mean"}</TableHeadCell>
+          <TableHeadCell>{"5%"}</TableHeadCell>
+          <TableHeadCell>{"10%"}</TableHeadCell>
+          <TableHeadCell>{"25%"}</TableHeadCell>
+          <TableHeadCell>{"50%"}</TableHeadCell>
+          <TableHeadCell>{"75%"}</TableHeadCell>
+          <TableHeadCell>{"90%"}</TableHeadCell>
+          <TableHeadCell>{"95%"}</TableHeadCell>
+        </Row>
+      </TableHead>
+      <TableBody>
+        <Row>
+          <Cell>{unwrapResult(mean)}</Cell>
+          <Cell>{unwrapResult(p5)}</Cell>
+          <Cell>{unwrapResult(p10)}</Cell>
+          <Cell>{unwrapResult(Q1)}</Cell>
+          <Cell>{unwrapResult(median)}</Cell>
+          <Cell>{unwrapResult(Q3)}</Cell>
+          <Cell>{unwrapResult(p90)}</Cell>
+          <Cell>{unwrapResult(p95)}</Cell>
+        </Row>
+      </TableBody>
     </Table>
   );
 };
diff --git a/packages/components/src/components/SquiggleEditor.tsx b/packages/components/src/components/SquiggleEditor.tsx
index 572dbd76..2601bc21 100644
--- a/packages/components/src/components/SquiggleEditor.tsx
+++ b/packages/components/src/components/SquiggleEditor.tsx
@@ -43,7 +43,9 @@ export interface SquiggleEditorProps {
   /** Whether to show detail about types of the returns, default false */
   showTypes?: boolean;
   /** Whether to give users access to graph controls */
-  showControls: boolean;
+  showControls?: boolean;
+  /** Whether to show a summary table */
+  showSummary?: boolean;
 }
 
 const Input = styled.div`
@@ -67,6 +69,7 @@ export let SquiggleEditor: React.FC<SquiggleEditorProps> = ({
   jsImports = defaultImports,
   showTypes = false,
   showControls = false,
+  showSummary = false,
 }: SquiggleEditorProps) => {
   let [expression, setExpression] = React.useState(initialSquiggleString);
   return (
@@ -95,6 +98,7 @@ export let SquiggleEditor: React.FC<SquiggleEditorProps> = ({
         jsImports={jsImports}
         showTypes={showTypes}
         showControls={showControls}
+        showSummary={showSummary}
       />
     </div>
   );
diff --git a/packages/components/src/components/SquigglePlayground.tsx b/packages/components/src/components/SquigglePlayground.tsx
index 424cff8d..dd2b8ecf 100644
--- a/packages/components/src/components/SquigglePlayground.tsx
+++ b/packages/components/src/components/SquigglePlayground.tsx
@@ -40,18 +40,11 @@ function FieldFloat(Props: FieldFloatProps) {
   );
 }
 
-interface Props {
-  initialSquiggleString?: string;
-  height?: number;
-  showTypes?: boolean;
-  showControls?: boolean;
-}
-
-interface Props2 {
+interface ShowBoxProps {
   height: number;
 }
 
-const ShowBox = styled.div<Props2>`
+const ShowBox = styled.div<ShowBoxProps>`
   border: 1px solid #eee;
   border-radius: 2px;
   height: ${(props) => props.height};
@@ -76,12 +69,26 @@ const Row = styled.div`
 `;
 const Col = styled.div``;
 
-let SquigglePlayground: FC<Props> = ({
+interface PlaygroundProps {
+  /** The initial squiggle string to put in the playground */
+  initialSquiggleString?: string;
+  /** How many pixels high is the playground */
+  height?: number;
+  /** Whether to show the types of outputs in the playground */
+  showTypes?: boolean;
+  /** Whether to show the log scale controls in the playground */
+  showControls?: boolean;
+  /** Whether to show the summary table in the playground */
+  showSummary?: boolean;
+}
+
+let SquigglePlayground: FC<PlaygroundProps> = ({
   initialSquiggleString = "",
   height = 300,
   showTypes = false,
   showControls = false,
-}: Props) => {
+  showSummary = false,
+}: PlaygroundProps) => {
   let [squiggleString, setSquiggleString] = useState(initialSquiggleString);
   let [sampleCount, setSampleCount] = useState(1000);
   let [outputXYPoints, setOutputXYPoints] = useState(1000);
@@ -114,6 +121,7 @@ let SquigglePlayground: FC<Props> = ({
               height={150}
               showTypes={showTypes}
               showControls={showControls}
+              showSummary={showSummary}
             />
           </Display>
         </Col>
@@ -122,7 +130,7 @@ let SquigglePlayground: FC<Props> = ({
   );
 };
 export default SquigglePlayground;
-export function renderSquigglePlaygroundToDom(props: Props) {
+export function renderSquigglePlaygroundToDom(props: PlaygroundProps) {
   let parent = document.createElement("div");
   ReactDOM.render(<SquigglePlayground {...props} />, parent);
   return parent;