diff --git a/src/drawDimension.js b/src/drawDimension.js
index 8e6360f..4e62e51 100644
--- a/src/drawDimension.js
+++ b/src/drawDimension.js
@@ -30,7 +30,7 @@ export async function drawDimension() {
 
     constraint = [
       'angle', dimVal,
-      [-1, -1, selection[0].name, selection[1].name]
+      [-1, -1, selection[0].name, selection[1].name], 0
     ]
 
     dimType = 'a'
diff --git a/src/mouseEvents.js b/src/mouseEvents.js
index 0cb479d..c4d5439 100644
--- a/src/mouseEvents.js
+++ b/src/mouseEvents.js
@@ -32,7 +32,7 @@ export function onHover(e) {
 
   let idx = []
 
-  const thresh = this.snap ? 1 : 0.0001
+  const thresh = 0.0001
   if (hoverPts.length) {
     let minDist = Infinity;
     for (let i = 0; i < hoverPts.length; i++) {
diff --git a/src/react/dialog.jsx b/src/react/dialog.jsx
index 42dcc8d..293987c 100644
--- a/src/react/dialog.jsx
+++ b/src/react/dialog.jsx
@@ -96,7 +96,7 @@ export const Dialog = () => {
   switch (dialog.action) {
     case 'extrude':
       return <>
-        <input className='w-10 border-t-0 border-l-0 border-r-0 border-b border-gray-50 text-gray-50' type="number" defaultValue="1" step="0.1" ref={ref} />
+        <input className='w-10 border-t-0 border-l-0 border-r-0 border-b border-gray-50 text-gray-50' type="number" defaultValue="10" step="0.1" ref={ref} />
         <Icon.Flip className="btn text-gray-200 w-auto h-full p-3.5"
           onClick={() => ref.current.value *= -1}
         />
diff --git a/src/shared.js b/src/shared.js
index 09bc413..540f232 100644
--- a/src/shared.js
+++ b/src/shared.js
@@ -216,13 +216,13 @@ const fragmentShader = `
     }
   }
 `
-const pixelRatio = 2
+const sz = 4
 const custPtMat = new THREE.ShaderMaterial({
   uniforms: {
     color: { value: new THREE.Color(0xff0000) },
-    edgeColor: { value: new THREE.Color(0x990000) },
-    pointWidth: { value: 4 * pixelRatio },
-    edgeSize: { value: 4 * pixelRatio },
+    edgeColor: { value: new THREE.Color(0x770000) },
+    pointWidth: { value: sz },
+    edgeSize: { value: sz },
   },
   vertexShader,
   fragmentShader,