diff --git a/src/mesh/api.js b/src/mesh/api.js
index 8f95ca24..300451dd 100644
--- a/src/mesh/api.js
+++ b/src/mesh/api.js
@@ -1097,7 +1097,6 @@ const tool = {
         let promises = [];
         let mcore = new Matrix4().makeRotationX(Math.PI / 2);
         for (let m of models) {
-            // todo - translate vertices with source model's matrix
             let p = worker.model_analyze({ id: m.id, opt }).then(data => {
                 let { areas, edges } = data.mapped;
                 let nm = areas.map(area => new mesh.model({
@@ -1161,7 +1160,7 @@ const tool = {
             let p = worker.model_heal({
                 id: m.id, opt
             }).then(data => {
-                data?.length && m.reload(data.vertices);
+                data?.vertices && m.reload(data.vertices);
             });
             promises.push(p);
         }
@@ -1181,7 +1180,12 @@ const tool = {
 
     clean(models) {
         models = fallback(models);
-        tool.heal(models, { merge: false }).then(() => {
+        tool.heal(models, {
+            merge: false,
+            precision: 2,
+            dedup: true,
+            clean: true
+        }).then(() => {
             log('cleaning complete').unpin();
             util.defer(selection.update);
         });
diff --git a/src/mesh/build.js b/src/mesh/build.js
index a5f8a3ea..ce8cc928 100644
--- a/src/mesh/build.js
+++ b/src/mesh/build.js
@@ -133,11 +133,12 @@ const log = api.log = {
         let { age, data, lines, render } = log;
         let now = Date.now();
         data.push({
+            objs: [ dbug.since(), '|', ...arguments ],
             text: `${dbug.since()} | ${[...arguments].join(' ')}`,
             time: now
         });
         if (api.isDebug) {
-            console.log(data.peek().text);
+            console.log(...data.peek().objs);
         }
         while (!log.pinned && data.length && (data.length > lines || now - data[0].time > age)) {
             data.shift();
diff --git a/src/mesh/edges.js b/src/mesh/edges.js
index 99d37f58..9c64dc1c 100644
--- a/src/mesh/edges.js
+++ b/src/mesh/edges.js
@@ -90,12 +90,14 @@ let edges = {
 
     async add() {
         if (selected.length === 2 && selected[0].object === selected[1].object) {
+            let model = selected[0].object.model;
+            let pos = new Vector3().fromArray(model.meta.pos);
             let verts = selected.map(s => [ s.side.p0, s.side.p1 ]).flat();
             // clean up floating point cruft for comparison
             for (let v of verts) {
-                v.x = v.x.round(3);
-                v.y = v.y.round(3);
-                v.z = v.z.round(3);
+                v.x = (v.x - pos.x).round(3);
+                v.y = (v.y - pos.z).round(3);
+                v.z = (v.z + pos.y).round(3);
             }
             // sort points so dups show up next to each other
             let sort = verts.sort((a,b) => {
@@ -112,7 +114,6 @@ let edges = {
                     point.y !== arr[index - 1].y ||
                     point.z !== arr[index - 1].z;
             });
-            let model = selected[0].object.model;
             if (sort.length === 3) {
                 await model.duplicate({ append: [
                     sort[0].x, -sort[0].z, sort[0].y,
diff --git a/src/mesh/model.js b/src/mesh/model.js
index dcafa8f7..4f604ef8 100644
--- a/src/mesh/model.js
+++ b/src/mesh/model.js
@@ -13,8 +13,7 @@
 gapp.register("mesh.model", [], (root, exports) => {
 
 const { MeshPhongMaterial, MeshBasicMaterial, LineBasicMaterial } = THREE;
-const { BufferGeometry, BufferAttribute, DoubleSide, Mesh} = THREE;
-const { Quaternion, Box3, Vector3 } = THREE;
+const { BufferGeometry, BufferAttribute, DoubleSide, Mesh, Vector3 } = THREE;
 const { mesh, moto } = root;
 const { space } = moto;
 const { api } = mesh;
@@ -132,21 +131,21 @@ mesh.model = class MeshModel extends mesh.object {
         return this.bounds.translate(this.position());
     }
 
-    get world_positions() {
-        let pos = this.position();
-        return this.geometry
-            .clone()
-            .translate(pos.x,pos.y,pos.z)
-            .attributes.position.array;
-    }
+    // get world_positions() {
+    //     let pos = this.position();
+    //     return this.geometry
+    //         .clone()
+    //         .translate(pos.x,pos.y,pos.z)
+    //         .attributes.position.array;
+    // }
 
     get positions() {
         return this.geometry.attributes.position.array;
     }
 
-    get matrix() {
-        return this.mesh.matrixWorld.elements;
-    }
+    // get matrix() {
+    //     return this.matrixWorld.elements;
+    // }
 
     get matrixWorld() {
         return this.mesh.matrixWorld;
diff --git a/src/mesh/object.js b/src/mesh/object.js
index 88194b8b..bd2da003 100644
--- a/src/mesh/object.js
+++ b/src/mesh/object.js
@@ -9,7 +9,7 @@
 // use: mesh.util
 gapp.register("mesh.object", [], (root, exports) => {
 
-const { Matrix4, Vector3, Box3, Box3Helper, Quaternion, Euler } = THREE;
+const { Matrix4, Vector3, Box3, Box3Helper, Quaternion } = THREE;
 const { mesh, moto } = root;
 const { space } = moto;
 
@@ -27,14 +27,14 @@ mesh.object = class MeshObject {
 
     constructor(id) {
         this.id = id || mesh.util.uuid();
-        worker.object_create({id: this.id, type: this.type});
-        this.log('NEW');
+        worker.object_create({ id: this.id, type: this.type });
         // storage location for meta data like position, scale, rotation
-        this.meta = {};
+        this.meta = { pos: [0,0,0] };
+        this.log('NEW');
     }
 
     log() {
-        // mesh.api.log.emit(this.id, this.type, ...arguments);
+        mesh.api.log.emit(this.id, this.type, ...arguments);
     }
 
     get type() {
@@ -63,7 +63,7 @@ mesh.object = class MeshObject {
     // used during state restoration
     applyMeta(meta = {}) {
         this.log('apply-meta', meta);
-        this.applyMatrix(meta.matrix);
+        if (meta.pos) this.position(...meta.pos);
         this.visible(meta.visible ?? true);
         this.metaChanged(meta);
         return this;
@@ -199,7 +199,7 @@ mesh.object = class MeshObject {
         this.updateBoundsBox();
         space.update();
         Object.assign(this.meta, values, {
-            matrix: this.object.matrix.elements
+            // matrix: this.object.matrix.elements
         });
         worker.object_meta({ id: this.id, meta: this.meta });
         publish.meta({ id: this.id, meta: this.meta });
diff --git a/src/mesh/work.js b/src/mesh/work.js
index 5e196910..3f231fd7 100644
--- a/src/mesh/work.js
+++ b/src/mesh/work.js
@@ -50,17 +50,11 @@ function cacheUpdate(id, data) {
 // translate original mesh vertices into UI world view (PI/2 rotation on X)
 function translate_encode(id) {
     let rec = cache[id];
-    let { pos, matrix } = rec;
-    let mkey = matrix.map(v => v.round(6)).join('-');
+    let { pos } = rec;
+    let mkey = pos.map(v => v.round(6)).join('-');
     // re-translate on missing cache or changed matrix
     if (!rec || !rec.trans || rec.mkey !== mkey) {
-        let geo = rec.geo.clone();
-        if (pos) {
-            geo.translate(new Vector3().fromArray(pos));
-        } else {
-            let mat = core_matrix.clone().multiply(new Matrix4().fromArray(matrix));
-            geo.applyMatrix4(mat);
-        }
+        let geo = rec.geo.clone().translate(new Vector3().fromArray(pos));
         rec.mkey = mkey;
         rec.trans = geo.attributes.position.array
     }
@@ -71,13 +65,13 @@ function analyze(id, opt = {}) {
     let rec = cache[id];
     let { geo, tool } = rec;
     if (!tool) {
-        tool = rec.tool = new mesh.tool();
+        tool = rec.tool = new mesh.tool(opt);
     }
     if (tool.faces) {
         log(`${id} | analysis cached`);
     } else {
         log(`${id} | analyzing...`);
-        tool.generateFaces(geo.attributes.position.array);
+        tool.generateFaces(geo.attributes.position.array, opt);
         log(`${id} | patching...`);
         tool.patch(opt);
     }
@@ -382,7 +376,6 @@ let object = {
     meta(data) {
         let { id, meta } = data;
         cacheUpdate(id, meta);
-        console.log('object_meta', data);
     },
 
     create(data) {