diff --git a/packages/mermaid/src/rendering-util/rendering-elements/nodes.js b/packages/mermaid/src/rendering-util/rendering-elements/nodes.js
index 75e1f0ba7..542539133 100644
--- a/packages/mermaid/src/rendering-util/rendering-elements/nodes.js
+++ b/packages/mermaid/src/rendering-util/rendering-elements/nodes.js
@@ -49,6 +49,8 @@ import { windowPane } from './shapes/windowPane.js';
 import { linedWaveEdgedRect } from './shapes/linedWaveEdgedRect.js';
 import { taggedWaveEdgedRectangle } from './shapes/taggedWaveEdgedRectangle.js';
 import { curlyBraceLeft } from './shapes/curlyBraceLeft.js';
+import { curlyBraceRight } from './shapes/curlyBraceRight.js';
+import { curlyBraces } from './shapes/curlyBraces.js';
 
 //Use these names as the left side to render shapes.
 const shapes = {
@@ -214,11 +216,14 @@ const shapes = {
   bolt: lightningBolt,
   'com-link': lightningBolt,
   curlyBraceLeft,
-  brace: curlyBraceLeft,
+  'brace-l': curlyBraceLeft,
   comment: curlyBraceLeft,
   hourglass,
   odd: rect_left_inv_arrow,
   labelRect,
+  curlyBraceRight,
+  'brace-r': curlyBraceRight,
+  curlyBraces,
 };
 
 const nodeElems = new Map();
diff --git a/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraceLeft.ts b/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraceLeft.ts
index d68afc91d..cd9d7f14e 100644
--- a/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraceLeft.ts
+++ b/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraceLeft.ts
@@ -43,15 +43,15 @@ export const curlyBraceLeft = async (parent: SVGAElement, node: Node) => {
   const { shapeSvg, bbox, label } = await labelHelper(parent, node, getNodeClasses(node));
   const w = bbox.width + (node.padding ?? 0);
   const h = bbox.height + (node.padding ?? 0);
-  const radius = w * 0.05;
+  const radius = Math.max(5, h * 0.1);
 
   const { cssStyles } = node;
 
   const points = [
-    ...generateCirclePoints(w / 2, -h / 2, 10, 30, -90, 0),
+    ...generateCirclePoints(w / 2, -h / 2, radius, 30, -90, 0),
     { x: -w / 2 - radius, y: radius },
-    ...generateCirclePoints(w / 2 + w * 0.1, -radius, radius, 20, -180, -270),
-    ...generateCirclePoints(w / 2 + w * 0.1, radius, radius, 20, -90, -180),
+    ...generateCirclePoints(w / 2 + radius * 2, -radius, radius, 20, -180, -270),
+    ...generateCirclePoints(w / 2 + radius * 2, radius, radius, 20, -90, -180),
     { x: -w / 2 - radius, y: -h / 2 },
     ...generateCirclePoints(w / 2, h / 2, radius, 20, 0, 90),
   ];
@@ -77,32 +77,32 @@ export const curlyBraceLeft = async (parent: SVGAElement, node: Node) => {
     options.roughness = 0;
     options.fillStyle = 'solid';
   }
-  const bowTieRectPath = createPathFromPoints(points);
-  const newCurlyBracePath = bowTieRectPath.replace('Z', '');
-  const curlyBracePath = rc.path(newCurlyBracePath, options);
+  const curlyBraceLeftPath = createPathFromPoints(points);
+  const newCurlyBracePath = curlyBraceLeftPath.replace('Z', '');
+  const curlyBraceLeftNode = rc.path(newCurlyBracePath, options);
   const rectPath = createPathFromPoints(rectPoints);
   const rectShape = rc.path(rectPath, { ...options });
-  const bowTieRectShape = shapeSvg.insert('g', ':first-child');
-  bowTieRectShape.insert(() => rectShape, ':first-child').attr('stroke-opacity', 0);
-  bowTieRectShape.insert(() => curlyBracePath, ':first-child');
-  bowTieRectShape.attr('class', 'text');
+  const curlyBraceLeftShape = shapeSvg.insert('g', ':first-child');
+  curlyBraceLeftShape.insert(() => rectShape, ':first-child').attr('stroke-opacity', 0);
+  curlyBraceLeftShape.insert(() => curlyBraceLeftNode, ':first-child');
+  curlyBraceLeftShape.attr('class', 'text');
 
   if (cssStyles && node.look !== 'handDrawn') {
-    bowTieRectShape.selectAll('path').attr('style', cssStyles);
+    curlyBraceLeftShape.selectAll('path').attr('style', cssStyles);
   }
 
   if (nodeStyles && node.look !== 'handDrawn') {
-    bowTieRectShape.selectAll('path').attr('style', nodeStyles);
+    curlyBraceLeftShape.selectAll('path').attr('style', nodeStyles);
   }
 
-  bowTieRectShape.attr('transform', `translate(${radius}, 0)`);
+  curlyBraceLeftShape.attr('transform', `translate(${radius}, 0)`);
 
   label.attr(
     'transform',
     `translate(${-w / 2 + radius - (bbox.x - (bbox.left ?? 0))},${-h / 2 + (node.padding ?? 0) / 2 - (bbox.y - (bbox.top ?? 0))})`
   );
 
-  updateNodeBounds(node, bowTieRectShape);
+  updateNodeBounds(node, curlyBraceLeftShape);
 
   node.intersect = function (point) {
     const pos = intersect.polygon(node, rectPoints, point);
diff --git a/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraceRight.ts b/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraceRight.ts
new file mode 100644
index 000000000..87787b311
--- /dev/null
+++ b/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraceRight.ts
@@ -0,0 +1,114 @@
+import { labelHelper, updateNodeBounds, getNodeClasses, createPathFromPoints } from './util.js';
+import intersect from '../intersect/index.js';
+import type { Node } from '$root/rendering-util/types.d.ts';
+import {
+  styles2String,
+  userNodeOverrides,
+} from '$root/rendering-util/rendering-elements/shapes/handDrawnShapeStyles.js';
+import rough from 'roughjs';
+
+function generateCirclePoints(
+  centerX: number,
+  centerY: number,
+  radius: number,
+  numPoints = 100,
+  startAngle = 0,
+  endAngle = 180
+) {
+  const points = [];
+
+  // Convert angles to radians
+  const startAngleRad = (startAngle * Math.PI) / 180;
+  const endAngleRad = (endAngle * Math.PI) / 180;
+
+  // Calculate the angle range in radians
+  const angleRange = endAngleRad - startAngleRad;
+
+  // Calculate the angle step
+  const angleStep = angleRange / (numPoints - 1);
+
+  for (let i = 0; i < numPoints; i++) {
+    const angle = startAngleRad + i * angleStep;
+    const x = centerX + radius * Math.cos(angle);
+    const y = centerY + radius * Math.sin(angle);
+    points.push({ x, y });
+  }
+
+  return points;
+}
+
+export const curlyBraceRight = async (parent: SVGAElement, node: Node) => {
+  const { labelStyles, nodeStyles } = styles2String(node);
+  node.labelStyle = labelStyles;
+  const { shapeSvg, bbox, label } = await labelHelper(parent, node, getNodeClasses(node));
+  const w = bbox.width + (node.padding ?? 0);
+  const h = bbox.height + (node.padding ?? 0);
+  const radius = Math.max(5, h * 0.1);
+
+  const { cssStyles } = node;
+
+  const points = [
+    ...generateCirclePoints(w / 2, -h / 2, radius, 20, -90, 0),
+    { x: w / 2 + radius, y: -radius },
+    ...generateCirclePoints(w / 2 + radius * 2, -radius, radius, 20, -180, -270),
+    ...generateCirclePoints(w / 2 + radius * 2, radius, radius, 20, -90, -180),
+    { x: w / 2 + radius, y: h / 2 },
+    ...generateCirclePoints(w / 2, h / 2, radius, 20, 0, 90),
+  ];
+
+  const rectPoints = [
+    { x: -w / 2, y: -h / 2 - radius },
+    { x: w / 2, y: -h / 2 - radius },
+    ...generateCirclePoints(w / 2, -h / 2, radius, 20, -90, 0),
+    { x: w / 2 + radius, y: -radius },
+    ...generateCirclePoints(w / 2 + radius * 2, -radius, radius, 20, -180, -270),
+    ...generateCirclePoints(w / 2 + radius * 2, radius, radius, 20, -90, -180),
+    { x: w / 2 + radius, y: h / 2 },
+    ...generateCirclePoints(w / 2, h / 2, radius, 20, 0, 90),
+    { x: w / 2, y: h / 2 + radius },
+    { x: -w / 2, y: h / 2 + radius },
+  ];
+
+  // @ts-ignore - rough is not typed
+  const rc = rough.svg(shapeSvg);
+  const options = userNodeOverrides(node, { fill: 'none' });
+
+  if (node.look !== 'handDrawn') {
+    options.roughness = 0;
+    options.fillStyle = 'solid';
+  }
+  const curlyBraceRightPath = createPathFromPoints(points);
+  const newCurlyBracePath = curlyBraceRightPath.replace('Z', '');
+  const curlyBraceRightNode = rc.path(newCurlyBracePath, options);
+  const rectPath = createPathFromPoints(rectPoints);
+  const rectShape = rc.path(rectPath, { ...options });
+  const curlyBraceRightShape = shapeSvg.insert('g', ':first-child');
+  curlyBraceRightShape.insert(() => rectShape, ':first-child').attr('stroke-opacity', 0);
+  curlyBraceRightShape.insert(() => curlyBraceRightNode, ':first-child');
+  curlyBraceRightShape.attr('class', 'text');
+
+  if (cssStyles && node.look !== 'handDrawn') {
+    curlyBraceRightShape.selectAll('path').attr('style', cssStyles);
+  }
+
+  if (nodeStyles && node.look !== 'handDrawn') {
+    curlyBraceRightShape.selectAll('path').attr('style', nodeStyles);
+  }
+
+  curlyBraceRightShape.attr('transform', `translate(${-radius}, 0)`);
+
+  label.attr(
+    'transform',
+    `translate(${-w / 2 + (node.padding ?? 0) / 2 - (bbox.x - (bbox.left ?? 0))},${-h / 2 + (node.padding ?? 0) / 2 - (bbox.y - (bbox.top ?? 0))})`
+  );
+
+  updateNodeBounds(node, curlyBraceRightShape);
+
+  node.intersect = function (point) {
+    const pos = intersect.polygon(node, rectPoints, point);
+
+    return pos;
+  };
+
+  return shapeSvg;
+};
diff --git a/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraces.ts b/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraces.ts
new file mode 100644
index 000000000..384c05e8a
--- /dev/null
+++ b/packages/mermaid/src/rendering-util/rendering-elements/shapes/curlyBraces.ts
@@ -0,0 +1,133 @@
+import { labelHelper, updateNodeBounds, getNodeClasses, createPathFromPoints } from './util.js';
+import intersect from '../intersect/index.js';
+import type { Node } from '$root/rendering-util/types.d.ts';
+import {
+  styles2String,
+  userNodeOverrides,
+} from '$root/rendering-util/rendering-elements/shapes/handDrawnShapeStyles.js';
+import rough from 'roughjs';
+
+function generateCirclePoints(
+  centerX: number,
+  centerY: number,
+  radius: number,
+  numPoints = 100,
+  startAngle = 0,
+  endAngle = 180
+) {
+  const points = [];
+
+  // Convert angles to radians
+  const startAngleRad = (startAngle * Math.PI) / 180;
+  const endAngleRad = (endAngle * Math.PI) / 180;
+
+  // Calculate the angle range in radians
+  const angleRange = endAngleRad - startAngleRad;
+
+  // Calculate the angle step
+  const angleStep = angleRange / (numPoints - 1);
+
+  for (let i = 0; i < numPoints; i++) {
+    const angle = startAngleRad + i * angleStep;
+    const x = centerX + radius * Math.cos(angle);
+    const y = centerY + radius * Math.sin(angle);
+    points.push({ x: -x, y: -y });
+  }
+
+  return points;
+}
+
+export const curlyBraces = async (parent: SVGAElement, node: Node) => {
+  const { labelStyles, nodeStyles } = styles2String(node);
+  node.labelStyle = labelStyles;
+  const { shapeSvg, bbox, label } = await labelHelper(parent, node, getNodeClasses(node));
+  const w = bbox.width + (node.padding ?? 0);
+  const h = bbox.height + (node.padding ?? 0);
+  const radius = Math.max(5, h * 0.1);
+
+  const { cssStyles } = node;
+
+  const leftCurlyBracePoints = [
+    ...generateCirclePoints(w / 2, -h / 2, radius, 30, -90, 0),
+    { x: -w / 2 - radius, y: radius },
+    ...generateCirclePoints(w / 2 + radius * 2, -radius, radius, 20, -180, -270),
+    ...generateCirclePoints(w / 2 + radius * 2, radius, radius, 20, -90, -180),
+    { x: -w / 2 - radius, y: -h / 2 },
+    ...generateCirclePoints(w / 2, h / 2, radius, 20, 0, 90),
+  ];
+
+  const rightCurlyBracePoints = [
+    ...generateCirclePoints(-w / 2 + radius + radius / 2, -h / 2, radius, 20, -90, -180),
+    { x: w / 2 - radius / 2, y: radius },
+    ...generateCirclePoints(-w / 2 - radius / 2, -radius, radius, 20, 0, 90),
+    ...generateCirclePoints(-w / 2 - radius / 2, radius, radius, 20, -90, 0),
+    { x: w / 2 - radius / 2, y: -radius },
+    ...generateCirclePoints(-w / 2 + radius + radius / 2, h / 2, radius, 30, -180, -270),
+  ];
+
+  const rectPoints = [
+    { x: w / 2, y: -h / 2 - radius },
+    { x: -w / 2, y: -h / 2 - radius },
+    ...generateCirclePoints(w / 2, -h / 2, radius, 20, -90, 0),
+    { x: -w / 2 - radius, y: -radius },
+    ...generateCirclePoints(w / 2 + radius * 2, -radius, radius, 20, -180, -270),
+    ...generateCirclePoints(w / 2 + radius * 2, radius, radius, 20, -90, -180),
+    { x: -w / 2 - radius, y: h / 2 },
+    ...generateCirclePoints(w / 2, h / 2, radius, 20, 0, 90),
+    { x: -w / 2, y: h / 2 + radius },
+    { x: w / 2 - radius - radius / 2, y: h / 2 + radius },
+    ...generateCirclePoints(-w / 2 + radius + radius / 2, -h / 2, radius, 20, -90, -180),
+    { x: w / 2 - radius / 2, y: radius },
+    ...generateCirclePoints(-w / 2 - radius / 2, -radius, radius, 20, 0, 90),
+    ...generateCirclePoints(-w / 2 - radius / 2, radius, radius, 20, -90, 0),
+    { x: w / 2 - radius / 2, y: -radius },
+    ...generateCirclePoints(-w / 2 + radius + radius / 2, h / 2, radius, 30, -180, -270),
+  ];
+
+  // @ts-ignore - rough is not typed
+  const rc = rough.svg(shapeSvg);
+  const options = userNodeOverrides(node, { fill: 'none' });
+
+  if (node.look !== 'handDrawn') {
+    options.roughness = 0;
+    options.fillStyle = 'solid';
+  }
+  const leftCurlyBracePath = createPathFromPoints(leftCurlyBracePoints);
+  const newLeftCurlyBracePath = leftCurlyBracePath.replace('Z', '');
+  const leftCurlyBraceNode = rc.path(newLeftCurlyBracePath, options);
+  const rightCurlyBracePath = createPathFromPoints(rightCurlyBracePoints);
+  const newRightCurlyBracePath = rightCurlyBracePath.replace('Z', '');
+  const rightCurlyBraceNode = rc.path(newRightCurlyBracePath, options);
+  const rectPath = createPathFromPoints(rectPoints);
+  const rectShape = rc.path(rectPath, { ...options });
+  const curlyBracesShape = shapeSvg.insert('g', ':first-child');
+  curlyBracesShape.insert(() => rectShape, ':first-child').attr('stroke-opacity', 0);
+  curlyBracesShape.insert(() => leftCurlyBraceNode, ':first-child');
+  curlyBracesShape.insert(() => rightCurlyBraceNode, ':first-child');
+  curlyBracesShape.attr('class', 'text');
+
+  if (cssStyles && node.look !== 'handDrawn') {
+    curlyBracesShape.selectAll('path').attr('style', cssStyles);
+  }
+
+  if (nodeStyles && node.look !== 'handDrawn') {
+    curlyBracesShape.selectAll('path').attr('style', nodeStyles);
+  }
+
+  curlyBracesShape.attr('transform', `translate(${radius - radius / 4}, 0)`);
+
+  label.attr(
+    'transform',
+    `translate(${-w / 2 + (node.padding ?? 0) / 2 - (bbox.x - (bbox.left ?? 0))},${-h / 2 + (node.padding ?? 0) / 2 - (bbox.y - (bbox.top ?? 0))})`
+  );
+
+  updateNodeBounds(node, curlyBracesShape);
+
+  node.intersect = function (point) {
+    const pos = intersect.polygon(node, rectPoints, point);
+
+    return pos;
+  };
+
+  return shapeSvg;
+};