diff --git a/modules/scene/objects/scalableLine.js b/modules/scene/objects/scalableLine.js
index c4bf70d3..21ecf465 100644
--- a/modules/scene/objects/scalableLine.js
+++ b/modules/scene/objects/scalableLine.js
@@ -23,7 +23,7 @@ export default class ScalableLine extends Mesh {
     let modelSize = 1;
     let modelSizePx = this.width;
     let k = viewScaleFactor(sceneSetup, ORIGIN, modelSizePx, modelSize);
-    let morphDistance = (k * modelSize - modelSize) / 2;
+    let morphDistance = k * modelSize / 2 - modelSize;
     this.morphTargetInfluences[0] = morphDistance / morphBase;
     super.updateMatrix();
   }
@@ -54,7 +54,6 @@ function createGeometry(tessellation, smooth) {
   const width = 1;
   const geometry = new Geometry();
   const scaleTargets = [];
-  const morphBase = 10;
   geometry.dynamic = true;
   let tess = tessellation;
 
diff --git a/web/app/cad/scene/views/edgeView.js b/web/app/cad/scene/views/edgeView.js
index dfc27f2b..e0c21e74 100644
--- a/web/app/cad/scene/views/edgeView.js
+++ b/web/app/cad/scene/views/edgeView.js
@@ -5,6 +5,6 @@ export class EdgeView extends CurveBasedView {
   constructor(edge) {
     let brepEdge = edge.brepEdge;
     let tess = brepEdge.data.tesselation ? brepEdge.data.tesselation : brepEdge.curve.tessellateToData();
-    super(edge, tess, 1, 2, 0x2B3856, 0xd1726c);
+    super(edge, tess, 2, 3, 0x2B3856, 0xd1726c);
   }
 }
diff --git a/web/app/cad/scene/views/sketchObjectView.js b/web/app/cad/scene/views/sketchObjectView.js
index ddc34cd3..87cf9377 100644
--- a/web/app/cad/scene/views/sketchObjectView.js
+++ b/web/app/cad/scene/views/sketchObjectView.js
@@ -5,6 +5,6 @@ export class SketchObjectView extends CurveBasedView {
   constructor(mSketchObject, sketchToWorldTransformation) {
     const color = mSketchObject.construction ? 0x777777 : 0xFFFFFF;
     const tess = mSketchObject.sketchPrimitive.tessellate(10).map(sketchToWorldTransformation.apply).map(v => v.data());
-    super(mSketchObject, tess, 0.3, 1, color, 0x49FFA5);
+    super(mSketchObject, tess, 1, 2, color, 0x49FFA5);
   }
 }