diff --git a/fourDShape.js b/fourDShape.js
index bc3bda0..609e1cc 100644
--- a/fourDShape.js
+++ b/fourDShape.js
@@ -50,16 +50,20 @@ class FourDShape extends THREE.Group {
 		const n2 = this.nodes3[link.target];
 		const s1 = this.link_scale * n1.scale;
 		const s2 = this.link_scale * n2.scale;
-		const length = n1.v3.distanceTo(n2.v3);
-		const centre = new THREE.Vector3();
-		centre.lerpVectors(n1.v3, n2.v3, 0.5);
-
-		const edge = new TaperedLink(basematerial);
-		edge.update(s1, s2, length);
-		edge.position.copy(centre);
-		edge.lookAt(n2.v3);
-		this.add(edge);
+		const edge = new TaperedLink(basematerial, n1, n2, s1, s2);
+		this.add( edge );
 		return edge;
+		// const length = n1.v3.distanceTo(n2.v3);
+		// const centre = nfew THREE.Vector3();
+		// centre.lerpVectors(n1.v3, n2.v3, 0.5);
+
+		// const edge = new TaperedLink(basematerial);
+		// edge.update(s1, s2, length);
+		// edge.position.copy(centre);
+		// edge.lookAt(n2.v3);
+		// edge.children[0].rotation.x = Math.PI / 2.0;
+		// this.add(edge);
+		// return edge;
 	}
 
 	updateLink(link, links_show) {
@@ -67,12 +71,14 @@ class FourDShape extends THREE.Group {
 		const n2 = this.nodes3[link.target];
 		const s1 = this.link_scale * n1.scale;
 		const s2 = this.link_scale * n2.scale;
-		const length = n1.v3.distanceTo(n2.v3);
-		const centre = new THREE.Vector3();
-		centre.lerpVectors(n1.v3, n2.v3, 0.5);
-		link.object.update(s1, s2, length);
-		link.object.position.copy(n1.v3);
-		link.object.lookAt(n2.v3);
+		link.object.update(n1, n2, s1, s2);
+		// const length = n1.v3.distanceTo(n2.v3);
+		// const centre = new THREE.Vector3();
+		// centre.lerpVectors(n1.v3, n2.v3, 0.5);
+		// link.object.update(s1, s2, length);
+		// link.object.position.copy(n1.v3);
+		// link.object.lookAt(n2.v3);
+		// link.object.children[0].rotation.x = Math.PI / 2.0;
 		link.object.visible = (!links_show || link.label in links_show); 
 	}
 
diff --git a/gui.js b/gui.js
index 57df9d4..06d83c9 100644
--- a/gui.js
+++ b/gui.js
@@ -2,9 +2,9 @@ import { GUI } from 'lil-gui';
 
 
 const DEFAULTS = {
-	nodesize: 0.25,
+	nodesize: 4,
 	nodeopacity: 1,
-	linksize: 0.2,
+	linksize: 1.0,
 	linkopacity: 0.75,
 	link2opacity: 0.75,
 	shape: '16-cell',
@@ -72,9 +72,9 @@ class FourDGUI {
 		});
 		this.gui.add(this.params, 'hyperplane', 0.5, 1 / 0.8);
 		this.gui.add(this.params, 'zoom', 0.1, 2.0);
-		this.gui.add(this.params, 'nodesize', 0, 1);
+		this.gui.add(this.params, 'nodesize', 0, 5);
 		this.gui.add(this.params, 'nodeopacity', 0, 1).onChange(setNodeOpacity);
-		this.gui.add(this.params, 'linksize', 0, 1);
+		this.gui.add(this.params, 'linksize', 0, 5);
 		this.gui.add(this.params, 'linkopacity', 0, 1).onChange(
 			(v) => setLinkOpacity(v, true)
 		);
diff --git a/taperedLink.js b/taperedLink.js
index 0ccfcf7..2473430 100644
--- a/taperedLink.js
+++ b/taperedLink.js
@@ -1,35 +1,54 @@
 import * as THREE from 'three';
 
 
+
 class TaperedLink extends THREE.Group {
 
-  constructor(baseMaterial) {
+  constructor(baseMaterial, n1, n2, r1, r2) {
     super();
     const geometry = new THREE.ConeGeometry( 0.75, 1, 32, true );
     const cplane = new THREE.Plane(new THREE.Vector3(0, -1, 0), 0.5);
     const material = baseMaterial.clone();
-    material.clippingPlanes = [ cplane ];
+//    material.clippingPlanes = [ cplane ];
     this.object = new THREE.Mesh( geometry, material );
     this.add( this.object );
+    this.update(n1, n2, r1, r2);
   }  
 
-  update(r1, r2, l) {
-    const kraw = ( r1 - r2 );
+  update(n1, n2, r1, r2) {
+    const kraw = r1 - r2;
     const k = ( kraw == 0 ) ? 0.001 : kraw;
-    if( k > 0 ) {
-      const h = l * r1 / k;
-      this.object.scale.copy(new THREE.Vector3(r1, h, r1));
-      this.object.material.clippingPlanes[0].normal.y = -1;
-      this.object.material.clippingPlanes[0].constant = l / 2;
-      this.object.position.copy(new THREE.Vector3(0, h/2 - l/2, 0));
-    } else {
-      const h = l * r2 / k;
-      this.object.scale.copy(new THREE.Vector3(r2, h, r2));
-      this.object.material.clippingPlanes[0].normal.y = 1;
-      this.object.material.clippingPlanes[0].constant = l / 2;
-      this.object.position.copy(new THREE.Vector3(0, h / 2 + l / 2, 0));
+    let nbase = n1;
+    let napex = n2;
+    let rbase = r1;
+    let rapex = r2;
+    if( k < 0 ) {
+      nbase = n2;
+      napex = n1;
+      rbase = r2;
+      rapex = r1;
     }
+    const l = nbase.v3.distanceTo(napex.v3);
+
+    const h = l * rbase / k;
+    //const pos = new THREE.Vector3(0, h/2 - l/2, 0);
+    //pos.add(nbase.v3);
+    this.object.scale.copy(new THREE.Vector3(rbase, h, rbase));
+    this.object.position.copy(nbase.v3);
+    this.object.lookAt(napex.v3);
+    this.object.rotation.x = Math.PI / 2.0;
   }
+      // this.object.material.clippingPlanes[0].normal.y = -1;
+      // this.object.material.clippingPlanes[0].constant = l / 2;
+      //this.object.position.copy(new THREE.Vector3(0, h/2 - l/2, 0));
+  //   } else {
+  //     const h = l * r2 / k;
+  //     this.object.scale.copy(new THREE.Vector3(r2, h, r2));
+  //     // this.object.material.clippingPlanes[0].normal.y = 1;
+  //     // this.object.material.clippingPlanes[0].constant = l / 2;
+  //     //this.object.position.copy(new THREE.Vector3(0, h / 2 + l / 2, 0));
+  //   }
+  // }
 
 }