diff --git a/Sources/Widgets/Widgets3D/PaintWidget/behavior.js b/Sources/Widgets/Widgets3D/PaintWidget/behavior.js
index ed343064039..b41a5238e5b 100644
--- a/Sources/Widgets/Widgets3D/PaintWidget/behavior.js
+++ b/Sources/Widgets/Widgets3D/PaintWidget/behavior.js
@@ -2,8 +2,20 @@ import macro from 'vtk.js/Sources/macros';
 import { vec3 } from 'gl-matrix';
 
 export default function widgetBehavior(publicAPI, model) {
+  // --------------------------------------------------------------------------
+  // Interactor events
+  // --------------------------------------------------------------------------
+
+  function ignoreKey(e) {
+    return e.altKey || e.controlKey || e.shiftKey;
+  }
+
   publicAPI.handleLeftButtonPress = (callData) => {
-    if (!model.activeState || !model.activeState.getActive()) {
+    if (
+      !model.activeState ||
+      !model.activeState.getActive() ||
+      ignoreKey(callData)
+    ) {
       return macro.VOID;
     }
 
diff --git a/Sources/Widgets/Widgets3D/ShapeWidget/behavior.js b/Sources/Widgets/Widgets3D/ShapeWidget/behavior.js
index 7341fc84565..9e9dd37dd56 100644
--- a/Sources/Widgets/Widgets3D/ShapeWidget/behavior.js
+++ b/Sources/Widgets/Widgets3D/ShapeWidget/behavior.js
@@ -506,6 +506,14 @@ export default function widgetBehavior(publicAPI, model) {
     return model.hasFocus ? macro.EVENT_ABORT : macro.VOID;
   };
 
+  // --------------------------------------------------------------------------
+  // Interactor events
+  // --------------------------------------------------------------------------
+
+  function ignoreKey(e) {
+    return e.altKey || e.controlKey || e.shiftKey;
+  }
+
   // --------------------------------------------------------------------------
   // Left click: Add point / End interaction
   // --------------------------------------------------------------------------
@@ -514,7 +522,8 @@ export default function widgetBehavior(publicAPI, model) {
     if (
       !model.activeState ||
       !model.activeState.getActive() ||
-      !model.pickable
+      !model.pickable ||
+      ignoreKey(e)
     ) {
       return macro.VOID;
     }
diff --git a/Sources/Widgets/Widgets3D/SplineWidget/behavior.js b/Sources/Widgets/Widgets3D/SplineWidget/behavior.js
index a9799c6a246..7af3905e7dd 100644
--- a/Sources/Widgets/Widgets3D/SplineWidget/behavior.js
+++ b/Sources/Widgets/Widgets3D/SplineWidget/behavior.js
@@ -136,6 +136,14 @@ export default function widgetBehavior(publicAPI, model) {
     model.firstHandle = null;
   };
 
+  // --------------------------------------------------------------------------
+  // Interactor events
+  // --------------------------------------------------------------------------
+
+  function ignoreKey(e) {
+    return e.altKey || e.controlKey || e.shiftKey;
+  }
+
   // --------------------------------------------------------------------------
   // Right click: Delete handle
   // --------------------------------------------------------------------------
@@ -144,7 +152,8 @@ export default function widgetBehavior(publicAPI, model) {
     if (
       !model.activeState ||
       !model.activeState.getActive() ||
-      !model.pickable
+      !model.pickable ||
+      ignoreKey(e)
     ) {
       return macro.VOID;
     }
@@ -179,7 +188,8 @@ export default function widgetBehavior(publicAPI, model) {
     if (
       !model.activeState ||
       !model.activeState.getActive() ||
-      !model.pickable
+      !model.pickable ||
+      ignoreKey(e)
     ) {
       return macro.VOID;
     }