diff --git a/src/Renderer.js b/src/Renderer.js
index 0aed444..8491ad8 100644
--- a/src/Renderer.js
+++ b/src/Renderer.js
@@ -1,7 +1,7 @@
 
 
   
-import * as THREE from 'three/src/Three';
+import * as THREE from '../node_modules/three/src/Three';
 // import { OrbitControls } from './utils/OrbitControls'
 import { TrackballControls } from './utils/trackball'
 import { Sketcher } from './sketcher/Sketcher'
@@ -163,10 +163,6 @@ async function addSketch() {
 
   sketcher.align(...result)
 
-
-
-
-
   sketcher.activate()
   sketcher.addEventListener('change', this.render);
 
diff --git a/src/index.js b/src/index.js
index de2b0cf..caa06bc 100644
--- a/src/index.js
+++ b/src/index.js
@@ -10,26 +10,30 @@ import logger from 'redux-logger'
 let _entId = 0
 
 function reducer(state = {}, action) {
+  let id;
   switch (action.type) {
     case 'toggle':
       return { ...state, toggle: action.payload }
     case 'rx-sketch':
+      id = 's' + action.obj.id
       return {
         ...state, treeEntries: {
-          byId: { ...state.treeEntries.byId, ['s' + ++_entId]: action.obj },
-          allIds: [...state.treeEntries.allIds, 's' + _entId]
-        }
+          byId: { ...state.treeEntries.byId, [id]: action.obj },
+          allIds: [...state.treeEntries.allIds, id]
+        },
+        env: id
       }
     case 'rx-extrusion':
+      id = 'e' + action.mesh.id
       return {
         ...state,
         treeEntries: {
-          byId: { ...state.treeEntries.byId, ['e' + ++_entId]: action.obj },
-          allIds: [...state.treeEntries.allIds, 'e' + _entId]
+          byId: { ...state.treeEntries.byId, [id]: action.mesh },
+          allIds: [...state.treeEntries.allIds, id]
         },
         mesh2sketch: {
           ...state.mesh2sketch,
-          [action.skId]: _entId
+          ['s' + action.sketch.id]: id
         }
       }
     case 'incsk':
diff --git a/src/sketcher/Sketcher.js b/src/sketcher/Sketcher.js
index 5c29631..219ae10 100644
--- a/src/sketcher/Sketcher.js
+++ b/src/sketcher/Sketcher.js
@@ -17,9 +17,9 @@ class Sketcher extends THREE.Group {
 
   constructor(camera, domElement, store) {
     super()
+    this.name = "sketch"
     this.camera = camera;
     this.domElement = domElement;
-    this.matrixAutoUpdate = false;
     this.store = store;
 
     this.sub = new THREE.Group();
@@ -29,28 +29,21 @@ class Sketcher extends THREE.Group {
 
     this.plane = new THREE.Plane(new THREE.Vector3(0, 0, 1), 0);
 
-
     // [0]:x, [1]:y, [2]:z
     this.objIdx = new Map()
-    this.max_pts = 1000
     this.ptsBuf = new Float32Array(this.max_pts * 3).fill(NaN)
 
     // [0]:type, [1]:pt1, [2]:pt2, [3]:pt3, [4]:pt4
     this.linkedObjs = new Map()
     this.l_id = 0;
-    this.max_links = 1000
     this.linksBuf = new Float32Array(this.max_links * 5).fill(NaN)
 
-
     // [0]:type, [1]:val, [2]:pt1, [3]:pt2, [4]:lk1, [5]:lk2
     this.constraints = new Map()
     this.c_id = 0;
-    this.max_constraints = 1000
     this.constraintsBuf = new Float32Array(this.max_constraints * 6).fill(NaN)
 
 
-
-
     this.drawOnClick1 = drawOnClick1.bind(this);
     this.drawPreClick2 = drawPreClick2.bind(this);
     this.drawOnClick2 = drawOnClick2.bind(this);
@@ -63,10 +56,8 @@ class Sketcher extends THREE.Group {
 
 
     this.matrixAutoUpdate = false;
-
     this.selected = new Set()
     this.hovered = []
-
     this.mode = ""
     this.subsequent = false;
   }
@@ -152,38 +143,36 @@ class Sketcher extends THREE.Group {
 
   deleteSelected() {
 
+
+
     const toDelete = [...this.selected]
       .filter(e => e.type == 'Line')
       .sort((a, b) => b.id - a.id)
-      .map(e => {
-        const i = this.objIdx.get(e.id)
-        this.delete(i)
-        return i
+      .map(obj => {
+        return this.delete(obj)
       })
 
 
-    this.updatePointsBuffer(toDelete[0])
-    // this.updatePointsBuffer()
+    this.updatePointsBuffer(toDelete[toDelete.length - 1])
     this.updateOtherBuffers()
 
     this.selected.clear()
     this.dispatchEvent({ type: 'change' })
   }
 
-  delete(i) {
-    const obj = this.children[i]
+  delete(obj) {
     let link = this.linkedObjs.get(obj.l_id)
     if (!link) return;
     link = link[1]
 
-    console.log('delete',link.length)
+    let i = this.objIdx.get(link[0]) || this.updatePoint // hacky, see drawEvent.js for updatePoint def
+
     for (let j = 0; j < link.length; j++) {
       const obj = this.children[i + j]
       obj.geometry.dispose()
       obj.material.dispose()
 
       for (let c_id of obj.constraints) {
-        console.log(j,c_id)
         this.deleteConstraints(c_id)
       }
     }
@@ -192,6 +181,7 @@ class Sketcher extends THREE.Group {
 
     this.linkedObjs.delete(obj.l_id)
 
+    return i
   }
 
 
@@ -341,6 +331,9 @@ Object.assign(Sketcher.prototype,
       'coincident': 0,
       'distance': 1
     },
+    max_pts: 1000,
+    max_links: 1000,
+    max_constraints: 1000,
   }
 )
 
diff --git a/src/sketcher/drawEvents.js b/src/sketcher/drawEvents.js
index 4fea6b4..77f6f41 100644
--- a/src/sketcher/drawEvents.js
+++ b/src/sketcher/drawEvents.js
@@ -65,7 +65,7 @@ export function drawClear() {
     this.domElement.removeEventListener('pointermove', this.drawPreClick2);
     this.domElement.removeEventListener('pointerdown', this.drawOnClick2);
 
-    this.delete(this.updatePoint)
+    this.delete(this.children[this.updatePoint])
 
     this.dispatchEvent({ type: 'change' })
     this.subsequent = false
diff --git a/src/sketcher/extrude.js b/src/sketcher/extrude.js
index 18583b4..e7f17a6 100644
--- a/src/sketcher/extrude.js
+++ b/src/sketcher/extrude.js
@@ -72,14 +72,14 @@ export function extrude(sketch) {
   const wireframe = new THREE.WireframeGeometry(geometry);
 
   const pts = new THREE.Points(wireframe, pointMaterial);
-  pts.matrixAutoUpdate = false;
-  pts.matrix.multiply(sketch.matrix)
-  this.scene.add(pts)
+  // pts.matrixAutoUpdate = false;
+  // pts.matrix.multiply(sketch.matrix)
+  mesh.add(pts)
 
   this.render()
 
-  // this.dispatchEvent({ type: 'change' })
-  // this.visible = false
+  // sketch.visible = false
+  this.store.dispatch({ type: 'rx-extrusion', mesh, sketch })
 }