diff --git a/src/kiri/conf.js b/src/kiri/conf.js
index faadefb6..313078e3 100644
--- a/src/kiri/conf.js
+++ b/src/kiri/conf.js
@@ -404,6 +404,7 @@
                     camRoughPlunge: 250,
                     camRoughStock: 0,
                     camRoughVoid: false,
+                    camRoughIn: false,
                     camRoughOn: true,
                     camOutlineTool: 1000,
                     camOutlineSpindle: 1000,
diff --git a/src/kiri/init.js b/src/kiri/init.js
index 01d238c9..be0afc40 100644
--- a/src/kiri/init.js
+++ b/src/kiri/init.js
@@ -1441,6 +1441,7 @@
             camRoughPlunge:     UC.newInput(LANG.cc_plng_s, {title:LANG.cc_plng_l, convert:UC.toInt, modes:CAM, units:true}),
             camRoughStock:      UC.newInput(LANG.cr_lsto_s, {title:LANG.cr_lsto_l, convert:UC.toFloat, modes:CAM, units:true}),
             camRoughVoid:       UC.newBoolean(LANG.cr_clrp_s, onBooleanClick, {title:LANG.cr_clrp_l, modes:CAM}),
+            camRoughIn:         UC.newBoolean(LANG.cr_olin_s, onBooleanClick, {title:LANG.cr_olin_l, modes:CAM}),
             camRoughSep:        UC.newBlank({class:"pop-sep"}),
             camRoughOn:         UC.newBoolean(LANG.enable, onBooleanClick, {modes:CAM}),
             camOutline:         UC.newGroup(LANG.co_menu, null, {modes:CAM, marker:true}),
@@ -1479,7 +1480,7 @@
             camDrillingOn:       UC.newBoolean(LANG.enable, onBooleanClick, {modes:CAM}),
             camDrillSep:         UC.newBlank({class:"pop-sep"}),
             camDrillReg:         UC.newSelect(LANG.cd_regi_s, {modes:CAM, title:LANG.cd_regi_l}, "drillreg"),
-            camTabs:             UC.newGroup(LANG.ct_menu, null, {modes:CAM, marker:true, show:() => { return UI.camOutlineOn.checked }}),
+            camTabs:             UC.newGroup(LANG.ct_menu, null, {modes:CAM, marker:true, show:() => { return UI.camOutlineOn.checked || UI.camRoughOn.checked }}),
             camTabsAngle:        UC.newInput(LANG.ct_angl_s, {title:LANG.ct_angl_l, convert:UC.toInt, bound:UC.bound(0,360), modes:CAM}),
             camTabsCount:        UC.newInput(LANG.ct_numb_s, {title:LANG.ct_numb_l, convert:UC.toInt, bound:UC.bound(1,20), modes:CAM}),
             camTabsWidth:        UC.newInput(LANG.ct_wdth_s, {title:LANG.ct_wdth_l, convert:UC.toFloat, bound:UC.bound(0.1,100), modes:CAM, units:true}),
diff --git a/src/mode/cam/slice.js b/src/mode/cam/slice.js
index d0fd5a95..a85c6e1f 100644
--- a/src/mode/cam/slice.js
+++ b/src/mode/cam/slice.js
@@ -45,7 +45,7 @@
             roughDown = procRough ? proc.camRoughDown : Infinity,
             outlineDown = procOutline ? proc.camOutlineDown : Infinity,
             sliceDepth = Math.max(0.1, Math.min(roughDown, outlineDown) / 3),
-            addTabsOutline = procOutlineOn && proc.camTabsOn,
+            addTabsOutline = (procOutlineOn || procRough) && proc.camTabsOn,
             tabWidth = proc.camTabsWidth,
             tabHeight = proc.camTabsHeight,
             bounds = widget.getBoundingBox(),
@@ -122,11 +122,9 @@
             tslices.push(data.slice);
             // sliceAll.push(data.slice);
             // data.slice.output()
-            //     .setLayer("debug", {face: 0xff0000, line: 0})
-            //     // .addFlats(POLY.setZ(tshadow.clone(true), data.z), {offset: 1, outline: true});
-            //     // .addPolys(POLY.setZ(tshadow.clone(true), data.z));
-            //     .addPaths(POLY.setZ(tshadow.clone(true), data.z));
-            updateOp(index, total);
+            //     .setLayer("debug", {line: 0x888800, thin: true })
+            //     .addPolys(POLY.setZ(tshadow.clone(true), data.z), { thin: true });
+            // updateOp(index, total);
         }, genso: true });
         let shadowTop = terrain[terrain.length - 1];
 
@@ -194,13 +192,16 @@
             });
             shadow = POLY.nest(shadow);
 
+            const insideOnly = proc.camRoughIn;
+
             // expand shadow by half tool diameter + stock to leave
-            let shell = POLY.offset(shadow, (roughToolDiam / 4) + camRoughStock);
+            const sadd = insideOnly ? roughToolDiam / 4 : roughToolDiam / 2;
+            const shell = POLY.offset(shadow, sadd + camRoughStock);
 
             nextOp();
             slices.forEach((slice, index) => {
-                let shadow = slice.shadow;
-                let offset = [shell.clone(true),shadow.clone(true)].flat();
+                // let shadow = slice.shadow;
+                let offset = [shell.clone(true),slice.shadow.clone(true)].flat();
                 let flat = POLY.flatten(offset, [], true);
                 let nest = POLY.setZ(POLY.nest(flat), slice.z);
                 // slice.tops[0].inner = nest;
@@ -222,10 +223,25 @@
                     }
                 });
 
+                // add outside pass if not inside only
+                if (!insideOnly) {
+                    const outside = POLY.offset(shadow, roughToolDiam * proc.camRoughOver, {z: slice.z});
+                    if (outside) {
+                        offset.appendAll(outside);
+                        if (addTabsOutline && slice.z <= zMin + tabHeight) {
+                            offset = addCutoutTabs(offset, slice.z, roughToolDiam, tabWidth, proc.camTabsCount, proc.camTabsAngle);
+                        }
+                    }
+                }
+
                 if (!offset) return;
 
                 slice.camLines = offset;
                 slice.output()
+                    // .setLayer("rough shadow", {line: 0x00aa00})
+                    // .addPolys(shadow)
+                    // .setLayer("rough shell", {line: 0xaa0000})
+                    // .addPolys(shell)
                     .setLayer("roughing", {face: 0, line: 0})
                     .addPolys(offset);
                 updateOp(index, slices.length);
diff --git a/web/kiri/lang/en.js b/web/kiri/lang/en.js
index 9d49da08..ca1a7e54 100644
--- a/web/kiri/lang/en.js
+++ b/web/kiri/lang/en.js
@@ -272,6 +272,8 @@ kiri.lang['en-us'] = {
     cr_ease_l:      "plunge cuts will\nspiral down or ease\nalong a linear path",
     cr_clrp_s:      "clear voids",
     cr_clrp_l:      "mill out through pockets\ninstead of just the outline",
+    cr_olin_s:      "inside only",
+    cr_olin_l:      "limit cutting to\ninside part boundaries",
 
     // CNC OUTLINE
     co_menu:        "outline",