diff --git a/web/app/sketcher/actions/constraintActions.js b/web/app/sketcher/actions/constraintActions.js
index 0d6a514c..87f46824 100644
--- a/web/app/sketcher/actions/constraintActions.js
+++ b/web/app/sketcher/actions/constraintActions.js
@@ -6,6 +6,7 @@ import {isInstanceOf, matchAll, matchTypes} from "./matchUtils";
 import {Arc} from "../shapes/arc";
 import {FilletTool} from "../tools/fillet";
 import {editConstraint as _editConstraint} from "../components/ConstraintEditor";
+import {BezierCurve} from "../shapes/bezier-curve";
 
 export default [
 
@@ -165,6 +166,33 @@ export default [
     }
   },
 
+  {
+    id: 'PointOnCurve',
+    shortName: 'Point On Curve',
+    kind: 'Constraint',
+    description: 'Point On Curve',
+    selectionMatcher: {
+      selector: 'matchSequence',
+      sequence: [
+        {
+          types: [EndPoint],
+          quantity: 1
+        },
+        {
+          types: [BezierCurve],
+          quantity: 1
+        },
+      ]
+    },
+
+    invoke: (ctx, matchedObjects) => {
+      const {viewer} = ctx;
+      const [pt, curve] = matchedObjects;
+      let pm = viewer.parametricManager;
+      pm.add(new AlgNumConstraint(ConstraintDefinitions.PointOnBezier, [pt, curve]));
+    }
+  },
+
   {
     id: 'PointInMiddle',
     shortName: 'Middle Point',
diff --git a/web/app/sketcher/constr/ANConstraints.js b/web/app/sketcher/constr/ANConstraints.js
index a7803f42..e700b0be 100644
--- a/web/app/sketcher/constr/ANConstraints.js
+++ b/web/app/sketcher/constr/ANConstraints.js
@@ -1,7 +1,8 @@
+import {Param} from '../shapes/param';
 import {R_DistancePP, R_Equal, R_PointOnLine} from "./residuals";
 import {indexById} from "../../../../modules/gems/iterables";
 import {_270, _90, DEG_RAD, distanceAB, makeAngle0_360} from "../../math/math";
-import {COS_FN, Polynomial, POW_1_FN, POW_2_FN, SIN_FN} from "./polynomial";
+import {COS_FN, Polynomial, POW_1_FN, POW_2_FN, POW_3_FN, SIN_FN} from "./polynomial";
 import {Types} from "../io";
 
 import Vector from "math/vector";
@@ -125,6 +126,60 @@ export const ConstraintDefinitions = {
 
   },
 
+  PointOnBezier: {
+    id: 'PointOnBezier',
+    name: 'Point On Bezier Curve',
+
+    defineParamsScope: ([pt, curve], callback) => {
+      curve.visitParams(callback);
+      callback(new Param(0.5, 't'));
+      pt.visitParams(callback);
+    },
+
+    collectPolynomials: (polynomials, [p0x,p0y, p3x,p3y, p1x,p1y, p2x,p2y, t, px, py]) => {
+      const bz3Poly = (p, t, p0, p1, p2, p3) => new Polynomial()
+        .monomial(-1)
+          .term(t, POW_3_FN)
+          .term(p0, POW_1_FN)
+        .monomial(3)
+          .term(t, POW_2_FN)
+          .term(p0, POW_1_FN)
+        .monomial(-3)
+          .term(t, POW_1_FN)
+          .term(p0, POW_1_FN)
+        .monomial(1)
+          .term(p0, POW_1_FN)
+
+        .monomial(3)
+          .term(t, POW_3_FN)
+          .term(p1, POW_1_FN)
+        .monomial(-6)
+          .term(t, POW_2_FN)
+          .term(p1, POW_1_FN)
+        .monomial(3)
+          .term(t, POW_1_FN)
+          .term(p1, POW_1_FN)
+
+        .monomial(-3)
+          .term(t, POW_3_FN)
+          .term(p2, POW_1_FN)
+        .monomial(3)
+          .term(t, POW_2_FN)
+          .term(p2, POW_1_FN)
+
+        .monomial(1)
+          .term(t, POW_3_FN)
+          .term(p3, POW_1_FN)
+
+        .monomial(-1)
+          .term(p, POW_1_FN);
+
+      polynomials.push(bz3Poly(px, t, p0x, p1x, p2x, p3x));
+      polynomials.push(bz3Poly(py, t, p0y, p1y, p2y, p3y));
+    },
+
+  },
+
   PointInMiddle: {
     id: 'PointInMiddle',
     name: 'Middle Point',