diff --git a/notes.md b/notes.md
index c8075b81..287705ee 100644
--- a/notes.md
+++ b/notes.md
@@ -9,6 +9,7 @@
 * `P` allow selection to be decimated on demand (context menu?)
 * `P` improve decimation speed: omit point conversion or use wasm
 * `P` explore widget vertex reloading / replacing (Onshape) (issue #48)
+* `P` move all persisted / workspace settings/data to IndexedDB (LS limitations)
 
 * `F` SVG import to 3D part like images
 * `F` show slider range values in workspace units (on hover?)
@@ -20,18 +21,15 @@
 
 # FDM
 
-* `B` re-calibrate slicing progress weighting
-* `B` infill densities are inaccurate
 * `B` fix support projection/end with grouped parts
 * `B` multi-extruder rendering of raft fails to offset the rest of the print
 * `B` multi-extruder purge blocks fail to generate properly for rafts
 
-* `F` support pillar should conform to part
+* `F` support pillar top/bottom should conform to part
 * `F` support pillar should have solid top/bottom
 * `F` more explicit line width control with ranges and min/max adaptive
 * `F` test outlining solid projected areas (internally)
 * `F` control for size of purge block (with 0=disabled)
-* `F` polishing and other non-planar work
 * `F` gradient infill https://www.youtube.com/watch?v=hq53gsYREHU&feature=emb_logo
 * `F` feather sharp tips by reducing extrusion in area of overlap
 * `F` first layer segment large flat areas for better fill reliability
@@ -56,11 +54,10 @@
 # FDM - BELT
 
 * `B` auto bed resizing leaves the origin in the wrong place at first
-* `B` multiple parts with one angled against origin "floats" in preview
 * `B` re-add progress calls for all work units
 
+* `F` refactor brims to be generated at slice time
 * `F` anchors should be generated anywhere needed in the print, not just head
-* `F` brims should extend between branches and have a slight offset from part
 * `F` slightly angle supports to lean into the Z of the part
 * `F` arrange should align down Z, not side to side.
 
@@ -68,11 +65,11 @@
 
 * `B` tabs are not cut to exact height
 * `B` first rough step too far down in certain circumstances?
-* `B` trace open polys are not wound consistently
-* `B` path routing with tabs sometimes makes no sense
+* `B` trace open polys are not wound consistently?
+* `B` path routing with tabs sometimes makes no sense (still?)
 * `B` need to force cut line at synthetic z bottom (midlines, etc)
 
-* `F` limit cut depth to flute length of selected tool
+* `F` limit cut depth to flute length of selected tool (or warn)
 * `F` add ease-down support to trace op
 * `F` add linear clearing strategy
 * `F` add adaptive clearing strategy
@@ -80,7 +77,7 @@
 * `F` intelligently turn circle hole pocket clear into spiral down
 * `F` trace follow hole that matches endmill should turn into a drill op
 * `F` add climb/conventional into each operation
-* `F` update analyzer to detect overhangs
+* `F` update analyzer to detect overhangs from faces, not slices
 * `F` extend acute roughing on inside polys to clear small voids
 * `F` option to use part / STL coordinate space to determine X,Y origin
 * `F` validate muti-part layout and spacing exceeds largest outside tool diameter
@@ -88,7 +85,7 @@
 * `F` parameterize dropping close points in prep.js. ensure long segments remain straight
 * `F` flat and volumetric rendering of paths
 * `F` z planar settings visualizations
-* `F` convert acute angles to arcs
+* `F` convert acute angles to arcs to avoid jerk
 * `F` lead-in milling
 * `F` trapezoidal tabs in Z
 * `F` ease-in and ease-out especially on tab cut-out start/stop
diff --git a/package.json b/package.json
index 9b164524..e8ece712 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "grid-apps",
-    "version": "2.9.8D",
+    "version": "2.9.9D",
     "description": "grid.space 3d slice & modeling tools",
     "author": "Stewart Allen <sa@grid.space>",
     "license": "MIT",
diff --git a/src/kiri.js b/src/kiri.js
index 77a84090..cfafa0eb 100644
--- a/src/kiri.js
+++ b/src/kiri.js
@@ -6,7 +6,7 @@
 
     if (!self.kiri) {
         self.kiri = {
-            beta: 2908,
+            beta: 2909,
             driver: {}, // driver modules
             loader: []  // module loading: array of functions
         };
diff --git a/src/kiri/client.js b/src/kiri/client.js
index 6b475fbd..28eea92c 100644
--- a/src/kiri/client.js
+++ b/src/kiri/client.js
@@ -32,15 +32,16 @@ function send(fn, data, onreply, zerocopy) {
         // track it only when we expect and can handle a reply
         running[seq] = { fn:onreply };
     }
-    // console.log('send', {fn, data, onreply});
-
+    let msg = {
+        seq: seq,
+        task: fn,
+        time: time(),
+        data: data
+    };
+    // console.log('client send', msg);
+    // if (!fn) { console.trace({empty_fn: data}) };
     try {
-        worker.postMessage({
-            seq: seq,
-            task: fn,
-            time: time(),
-            data: data
-        }, zerocopy);
+        worker.postMessage(msg, zerocopy);
     } catch (error) {
         console.trace('work send error', {data, error});
     }
@@ -92,13 +93,13 @@ KIRI.work = {
         running = {};
         worker = KIRI.work.newWorker();
 
-        worker.onmessage = function(e) {
+        CLIENT.onmessage = worker.onmessage = function(e) {
             let now = time(),
                 reply = e.data,
                 record = running[reply.seq],
                 onreply = record ? record.fn : undefined;
 
-            // console.log('recv', reply.data)
+            // console.log('client recv', e)
             if (reply.done) {
                 delete running[reply.seq];
             }
diff --git a/src/kiri/widget.js b/src/kiri/widget.js
index b1edc150..8615d063 100644
--- a/src/kiri/widget.js
+++ b/src/kiri/widget.js
@@ -633,6 +633,12 @@
         return 0;
     };
 
+    // allow worker code to run in same memspace as client
+    PRO.setInWorker = function() {
+        this.inWorker = true;
+        return this;
+    };
+
     /**
      * processes points into facets, then into slices
      *
@@ -654,7 +660,7 @@
         widget.clearSlices();
         onupdate(0.0001, "slicing");
 
-        if (KIRI.client) {
+        if (KIRI.client && !widget.inWorker) {
             // in case result of slice is nothing, do not preserve previous
             widget.slices = []
 
diff --git a/src/kiri/worker.js b/src/kiri/worker.js
index 9e150342..f5703c91 100644
--- a/src/kiri/worker.js
+++ b/src/kiri/worker.js
@@ -74,7 +74,7 @@ KIRI.worker = {
             wgroup[data.group] = group;
         }
         let vertices = new Float32Array(data.vertices),
-            widget = KIRI.newWidget(data.id, group).loadVertices(vertices);
+            widget = KIRI.newWidget(data.id, group).loadVertices(vertices).setInWorker();
 
         // do it here so cancel can work
         wcache[data.id] = widget;
@@ -560,9 +560,15 @@ KIRI.worker = {
     }
 };
 
-self.onmessage = function(e) {
+dispatch.send = (msg) => {
+    // console.log('worker send', msg);
+    self.postMessage(msg);
+};
+
+dispatch.onmessage = self.onmessage = function(e) {
+    // console.log('worker recv', e);
     let time_recv = time(),
-        msg = e.data,
+        msg = e.data || {},
         run = dispatch[msg.task],
         send = {
             data : function(data,direct) {
@@ -572,7 +578,7 @@ self.onmessage = function(e) {
                 //         sz:direct.map(z => z.byteLength).reduce((a,v) => a+v)
                 //     });
                 // }
-                self.postMessage({
+                dispatch.send({
                     seq: msg.seq,
                     task: msg.task,
                     done: false,
@@ -586,7 +592,7 @@ self.onmessage = function(e) {
                 //         sz:direct.map(z => z.byteLength).reduce((a,v) => a+v)
                 //     });
                 // }
-                self.postMessage({
+                dispatch.send({
                     seq: msg.seq,
                     task: msg.task,
                     done: true,
@@ -602,7 +608,7 @@ self.onmessage = function(e) {
                 time_send = time(),
                 time_proc = time_send - time_recv;
 
-            if (output) self.postMessage({
+            if (output) dispatch.send({
                 seq: msg.seq,
                 task: msg.task,
                 time_send: time_xfer,
@@ -617,7 +623,7 @@ self.onmessage = function(e) {
             send.done({error: wrkerr.toString()});
         }
     } else {
-        console.log({kiri_msg:e});
+        console.log({worker_unhandled: e, msg, fn: dispatch[msg.task]});
     }
 };
 
diff --git a/src/license.js b/src/license.js
index adde0822..82a40198 100644
--- a/src/license.js
+++ b/src/license.js
@@ -3,7 +3,7 @@
     let terms = {
         COPYRIGHT: "Copyright (C) Stewart Allen <sa@grid.space> - All Rights Reserved",
         LICENSE: "See the license.md file included with the source distribution",
-        VERSION: "2.9.D8"
+        VERSION: "2.9.D9"
     };
 
     if (typeof(module) === 'object') {