diff --git a/src/kiri/mode/cam/anim-3d-be.js b/src/kiri/mode/cam/anim-3d-be.js
index 6f94fa2d..4a194d14 100644
--- a/src/kiri/mode/cam/anim-3d-be.js
+++ b/src/kiri/mode/cam/anim-3d-be.js
@@ -32,7 +32,7 @@ let nextMeshID = 1,
     maxR;
 
 export function init(worker) {
-    const { dispatch } = worker;
+    const { dispatch, minions } = worker;
 
     dispatch.animate_setup2 = function (data, send) {
         settings = data.settings;
diff --git a/src/kiri/mode/cam/op-area.js b/src/kiri/mode/cam/op-area.js
index 11697060..be207617 100644
--- a/src/kiri/mode/cam/op-area.js
+++ b/src/kiri/mode/cam/op-area.js
@@ -150,8 +150,9 @@ class OpArea extends CamOp {
                     // progressive offset of polygons inside area clipped to the shadow
                     let outs = [];
                     let clip = [];
+                    let firstOff = -(toolDiam / 2 + (op.leave_xy ?? 0));
                     POLY.subtract([ area ], shadow, clip, undefined, undefined, 0);
-                    POLY.offset(clip, [ -toolDiam / 2, -toolOver ], {
+                    POLY.offset(clip, [ firstOff, -toolOver ], {
                         count: op.steps ?? 999, outs, flat: true, z, minArea: 0
                     });
                     // if we see no offsets, re-check the mesh bottom Z then exit
@@ -173,10 +174,6 @@ class OpArea extends CamOp {
                             for (let p of out.points)
                                 p.z += op.leave_z;
                     }
-                    // for roughing backward compatability
-                    if (op.leave_xy) {
-                        outs = outs.map(poly => poly.offset(-op.leave_xy)).flat();
-                    }
                     // support legacy outline features
                     if (op.omitouter) {
                         outs = omitOuter(outs);