diff --git a/notes.md b/notes.md
index 09a30f38..3ac5d9e6 100644
--- a/notes.md
+++ b/notes.md
@@ -70,6 +70,7 @@
 * `B` need to force cut line at synthetic z bottom (midlines, etc)
 * `B` starting export during animation unleashes chaos
 
+* `F` limit cut depth to flute length of selected tool
 * `F` add ease-down support to trace op
 * `F` add linear clearing strategy
 * `F` add adaptive clearing strategy
diff --git a/src/kiri/print.js b/src/kiri/print.js
index e134298f..f830fda5 100644
--- a/src/kiri/print.js
+++ b/src/kiri/print.js
@@ -134,7 +134,8 @@
             seq = [],
             autolayer = true,
             newlayer = false,
-            arcdivs = Math.PI / 12;
+            arcdivs = Math.PI / 12,
+            hasmoved = false;
 
         const output = scope.output = [ seq ];
         const beltaxis = { X: "X", Y: "Z", Z: "Y", E: "E", F: "F" };
@@ -211,25 +212,23 @@
 
         function G0G1(g0, line) {
             const mov = {};
+            const axes = {};
 
             line.forEach(function(tok) {
                 let axis = tok.charAt(0);
                 if (morph && belt) {
                     axis = beltaxis[axis];
                 }
+                let val = parseFloat(tok.substring(1));
+                axes[axis] = val;
                 if (abs) {
-                    pos[axis] = parseFloat(tok.substring(1));
+                    pos[axis] = val;
                 } else {
-                    mov[axis] = parseFloat(tok.substring(1));
+                    mov[axis] = val;
+                    pos[axis] += val;
                 }
             });
 
-            if (!abs) {
-                for (let [k,v] of Object.entries(mov)) {
-                    pos[k] += v;
-                }
-            }
-
             const point = newPoint(
                 factor * pos.X + off.X + xoff.X,
                 factor * pos.Y + off.Y + xoff.Y,
@@ -242,7 +241,7 @@
             }
 
             const retract = (fdm && pos.E < 0) || undefined;
-            const moving = g0 || (fdm && pos.E <= 0);
+            const moving = g0 || (fdm && (pos.E <= 0 || !(axes.X || axes.Y || axes.Z)));
 
             if (!moving && point.x) bounds.min.x = Math.min(bounds.min.x, point.x);
             if (!moving && point.x) bounds.max.x = Math.max(bounds.max.x, point.x);
@@ -280,6 +279,11 @@
                 output.push(seq);
             }
 
+            if (!hasmoved && !moving) {
+                seq.height = seq.Z = pos.Z;
+                hasmoved = true;
+            }
+
             // debug extrusion rate
             if (false && fdm && lastPos) {
                 let dE = (absE ? pos.E - lastPos.E : pos.E);