diff --git a/web/app/sketcher/main2d.js b/web/app/sketcher/main2d.js
index 0729a02d..6b37d97f 100644
--- a/web/app/sketcher/main2d.js
+++ b/web/app/sketcher/main2d.js
@@ -152,6 +152,10 @@ TCAD.App2D = function() {
     app.viewer.parametricManager.lock(app.viewer.selected);
   });
 
+  this.registerAction('pointOnLine', "Point On Line", function () {
+    app.viewer.parametricManager.pointOnLine(app.viewer.selected);
+  });
+
   this.registerAction('analyzeConstraint', "Analyze Constraint", function () {
     app.viewer.parametricManager.analyze(alert);
   });
diff --git a/web/app/sketcher/parametric.js b/web/app/sketcher/parametric.js
index aa9f0996..805e6073 100644
--- a/web/app/sketcher/parametric.js
+++ b/web/app/sketcher/parametric.js
@@ -196,6 +196,13 @@ TCAD.TWO.ParametricManager.prototype.p2lDistance = function(objs, promptCallback
   }
 };
 
+TCAD.TWO.ParametricManager.prototype.pointOnLine = function(objs) {
+  var pl = this._fetchPointAndLine(objs);
+  var target = pl[0];
+  var segment = pl[1];
+  this.add(new TCAD.TWO.Constraints.PointOnLine(target, segment));
+};
+
 TCAD.TWO.utils.constRef = function(value) {
   return function() {
     return value;    
@@ -890,3 +897,31 @@ TCAD.TWO.Constraints.Tangent.prototype.getObjects = function() {
 };
 
 // ------------------------------------------------------------------------------------------------------------------ //
+
+TCAD.TWO.Constraints.PointOnLine = function(point, line) {
+  this.point = point;
+  this.line = line;
+};
+
+TCAD.TWO.Constraints.PointOnLine.prototype.NAME = 'PointOnLine';
+
+TCAD.TWO.Constraints.PointOnLine.prototype.getSolveData = function() {
+  var params = [];
+  this.point.collectParams(params);
+  this.line.collectParams(params);
+  return [['P2LDistance', params, [0]]];
+};
+
+TCAD.TWO.Constraints.PointOnLine.prototype.serialize = function() {
+  return [this.NAME, [this.point.id, this.line.id]];
+};
+
+TCAD.TWO.Constraints.Factory[TCAD.TWO.Constraints.PointOnLine.prototype.NAME] = function(refs, data) {
+  return new TCAD.TWO.Constraints.PointOnLine(refs(data[0]), refs(data[1]));
+};
+
+TCAD.TWO.Constraints.PointOnLine.prototype.getObjects = function() {
+  return [this.point, this.line];
+};
+
+// ------------------------------------------------------------------------------------------------------------------ //
diff --git a/web/sketcher.html b/web/sketcher.html
index 91a718e0..8ad07b43 100644
--- a/web/sketcher.html
+++ b/web/sketcher.html
@@ -304,6 +304,7 @@
       <button class="btn rbtn act-tangentConstraint" style="background-image: url(img/tgn.png);"></button>
       <button class="btn rbtn act-RadiusConstraint" style="background-image: url(img/rad.png);"></button>
       <button class="btn rbtn act-lockConstraint" ><i class="fa fa-lock"></i></button>
+      <button class="btn rbtn act-pointOnLine" >PL</button>
     </div>
   </div>
   <div id="status" class="panel b-top" style="width: 100%; height=22px;">