diff --git a/src/kiri/mode/cam/op-pocket.js b/src/kiri/mode/cam/op-pocket.js
index 6af05b09..cd90e684 100644
--- a/src/kiri/mode/cam/op-pocket.js
+++ b/src/kiri/mode/cam/op-pocket.js
@@ -242,7 +242,7 @@ class OpPocket extends CamOp {
 
     prepare(ops, progress) {
         let { op, state, pockets } = this;
-        let { setTool, setSpindle, setTolerance, sliceOutput, getPrintPoint } = ops;
+        let { getPrintPoint , pocket, setTool, setSpindle, setTolerance } = ops;
         let { process } = state.settings;
 
         setTool(op.tool, op.rate);
@@ -275,11 +275,12 @@ class OpPocket extends CamOp {
             }
             if (min.pocket) {
                 min.pocket.used = true;
-                sliceOutput(min.pocket, {
+                pocket({
                     cutdir: op.ov_conv,
                     depthFirst: process.camDepthFirst && !state.isIndexed,
                     easeDown: op.down && process.easeDown ? op.down : 0,
-                    progress: (n,m) => progress(n/m, "pocket")
+                    progress: (n,m) => progress(n/m, "pocket"),
+                    slices: min.pocket
                 });
             } else {
                 break;
diff --git a/src/kiri/mode/cam/op-rough.js b/src/kiri/mode/cam/op-rough.js
index 21251a11..6771c966 100644
--- a/src/kiri/mode/cam/op-rough.js
+++ b/src/kiri/mode/cam/op-rough.js
@@ -297,7 +297,7 @@ class OpRough extends CamOp {
 
     prepare(ops, progress) {
         let { op, state, sliceOut, camFaces } = this;
-        let { setTool, setSpindle, setPrintPoint, sliceOutput, polyEmit, newLayer, printPoint } = ops;
+        let { setTool, setSpindle, setPrintPoint, pocket, polyEmit, newLayer, printPoint } = ops;
         let { settings } = state;
         let { process } = settings;
 
@@ -331,11 +331,12 @@ class OpRough extends CamOp {
 
         // output the roughing passes
         setPrintPoint(printPoint);
-        sliceOutput(sliceOut, {
+        pocket({
             cutdir,
             depthFirst,
             easeDown: op.down && easeDown ? 0.001 : 0,
-            progress: (n,m) => progress(n/m, "routing")
+            progress: (n,m) => progress(n/m, "routing"),
+            slices: sliceOut
         });
     }
 }
diff --git a/src/kiri/mode/cam/prepare.js b/src/kiri/mode/cam/prepare.js
index 60c70321..1bc4c4b7 100644
--- a/src/kiri/mode/cam/prepare.js
+++ b/src/kiri/mode/cam/prepare.js
@@ -554,16 +554,15 @@ export function prepEach(widget, settings, print, firstPoint, update) {
      * output an array of slices that form a pocket
      * used by rough and pocket ops, does not support arcs
      *
-     * @param {Slice[]} top-down Z stack of slices
-     * @param {*} opts
+     * @param {Slice[]} slices top-down Z stack of slices
+     * @param {boolean} cutdir true=CW false=CCW
+     * @param {boolean} depthFirst prioritize cut depth in pockets by nesting
      */
-    function sliceOutput(sliceOut, opts = {}) {
-        const { cutdir, depthFirst, easeDown, progress } = opts;
-
+    function pocket({ slices, cutdir, depthFirst, easeDown, progress }) {
         let total = 0;
         let depthData = [];
 
-        for (let slice of sliceOut) {
+        for (let slice of slices) {
             let polys = [], t = [], c = [];
             POLY.flatten(slice.camLines).forEach(function (poly) {
                 let child = poly.parent;
@@ -590,7 +589,7 @@ export function prepEach(widget, settings, print, firstPoint, update) {
                 }, { swapdir: false });
                 newLayer();
             }
-            progress(++total, sliceOut.length);
+            progress(++total, slices.length);
         }
 
         // crucially returns true for -0 as well as other negative #s
@@ -695,6 +694,7 @@ export function prepEach(widget, settings, print, firstPoint, update) {
         getPrintPoint() { return printPoint },
         lastPoint: () => { return lastPoint },
         newLayer,
+        pocket,
         poly2polyEmit,
         polyEmit,
         printPoint,
@@ -704,7 +704,6 @@ export function prepEach(widget, settings, print, firstPoint, update) {
         setSpindle,
         setTolerance,
         setTool,
-        sliceOutput,
         stock,
         tip2tipEmit,
         zclear,