diff --git a/src/Scene.js b/src/Scene.js
index 6c04b15..b465cc3 100644
--- a/src/Scene.js
+++ b/src/Scene.js
@@ -364,6 +364,7 @@ function render() {
     this.camera.left = -canvas.clientWidth / canvas.clientHeight;
     this.camera.right = canvas.clientWidth / canvas.clientHeight;
     this.camera.updateProjectionMatrix();
+    console.log(this.camera.zoom)
 
     this.controls.handleResize()
     Object.assign(this.rect, this.canvas.getBoundingClientRect().toJSON())
@@ -371,7 +372,7 @@ function render() {
   }
 
 
-  if (this.axes) this.axes.resize(this.camera.zoom)
+  if (this.axes) this.axes.resize(this.camera.zoom, this.canvas.clientHeight)
 
   this.renderer.render(this.obj3d, this.camera);
 
diff --git a/src/axes.js b/src/axes.js
index 3d3ebcd..68a50a8 100644
--- a/src/axes.js
+++ b/src/axes.js
@@ -32,8 +32,8 @@ class AxesHelper extends THREE.Object3D {
     return this
   }
 
-  resize(zoom) {
-    const scale = this.initialZoom / zoom
+  resize(zoom, canvH) {
+    const scale = this.initialZoom / zoom * 1000/canvH
 
     for (let i = 0; i < this.children.length; i++) {
       this.children[i].setLength(
diff --git a/src/drawDimension.js b/src/drawDimension.js
index 6c197ee..3307cf8 100644
--- a/src/drawDimension.js
+++ b/src/drawDimension.js
@@ -179,6 +179,7 @@ export function updateDim(c_id) {
         this.scene.render()
         ev_focus.target.blur()
         this.updateBoundingSpheres()
+        this.hasChanged = true
       } else if (e.key == 'Escape') {
         ev_focus.target.textContent = value
         getSelection().empty()