diff --git a/src/wasm-lib/kcl/benches/executor_benchmark_criterion.rs b/src/wasm-lib/kcl/benches/executor_benchmark_criterion.rs
index 90f74a52f..613c16436 100644
--- a/src/wasm-lib/kcl/benches/executor_benchmark_criterion.rs
+++ b/src/wasm-lib/kcl/benches/executor_benchmark_criterion.rs
@@ -1,5 +1,5 @@
 use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
-use kcl_lib::test_server;
+use kcl_lib::{settings::types::UnitLength::Mm, test_server};
 use tokio::runtime::Runtime;
 
 pub fn bench_execute(c: &mut Criterion) {
@@ -13,26 +13,42 @@ pub fn bench_execute(c: &mut Criterion) {
         // Configure Criterion.rs to detect smaller differences and increase sample size to improve
         // precision and counteract the resulting noise.
         group.sample_size(10);
-        group.bench_with_input(BenchmarkId::new("execute_", name), &code, |b, &s| {
+        group.bench_with_input(BenchmarkId::new("execute", name), &code, |b, &s| {
             let rt = Runtime::new().unwrap();
-
             // Spawn a future onto the runtime
             b.iter(|| {
-                rt.block_on(test_server::execute_and_snapshot(
-                    s,
-                    kcl_lib::settings::types::UnitLength::Mm,
-                ))
-                .unwrap();
+                rt.block_on(test_server::execute_and_snapshot(s, Mm)).unwrap();
             });
         });
         group.finish();
     }
 }
 
-criterion_group!(benches, bench_execute);
+pub fn bench_lego(c: &mut Criterion) {
+    let mut group = c.benchmark_group("executor_lego_pattern");
+    // Configure Criterion.rs to detect smaller differences and increase sample size to improve
+    // precision and counteract the resulting noise.
+    group.sample_size(10);
+    // Create lego bricks with N x 10 bumps, where N is each element of `sizes`.
+    let sizes = vec![1, 2, 4];
+    for size in sizes {
+        group.bench_with_input(BenchmarkId::from_parameter(size), &size, |b, &size| {
+            let rt = Runtime::new().unwrap();
+            let code = LEGO_PROGRAM.replace("{{N}}", &size.to_string());
+            // Spawn a future onto the runtime
+            b.iter(|| {
+                rt.block_on(test_server::execute_and_snapshot(&code, Mm)).unwrap();
+            });
+        });
+    }
+    group.finish();
+}
+
+criterion_group!(benches, bench_lego, bench_execute);
 criterion_main!(benches);
 
 const KITT_PROGRAM: &str = include_str!("../../tests/executor/inputs/kittycad_svg.kcl");
 const CUBE_PROGRAM: &str = include_str!("../../tests/executor/inputs/cube.kcl");
 const SERVER_RACK_HEAVY_PROGRAM: &str = include_str!("../../tests/executor/inputs/server-rack-heavy.kcl");
 const SERVER_RACK_LITE_PROGRAM: &str = include_str!("../../tests/executor/inputs/server-rack-lite.kcl");
+const LEGO_PROGRAM: &str = include_str!("../../tests/executor/inputs/slow_lego.kcl.tmpl");
diff --git a/src/wasm-lib/kcl/src/std/extrude.rs b/src/wasm-lib/kcl/src/std/extrude.rs
index 04d260344..cb6ece739 100644
--- a/src/wasm-lib/kcl/src/std/extrude.rs
+++ b/src/wasm-lib/kcl/src/std/extrude.rs
@@ -99,7 +99,7 @@ async fn inner_extrude(length: f64, sketch_group_set: SketchGroupSet, args: Args
         )
         .await?;
 
-        args.send_modeling_cmd(
+        args.batch_modeling_cmd(
             id,
             kittycad::types::ModelingCmd::Extrude {
                 target: sketch_group.id,
@@ -112,7 +112,7 @@ async fn inner_extrude(length: f64, sketch_group_set: SketchGroupSet, args: Args
         // Disable the sketch mode.
         args.batch_modeling_cmd(uuid::Uuid::new_v4(), kittycad::types::ModelingCmd::SketchModeDisable {})
             .await?;
-        extrude_groups.push(do_post_extrude(sketch_group.clone(), length, id, args.clone()).await?);
+        extrude_groups.push(do_post_extrude(sketch_group.clone(), length, args.clone()).await?);
     }
 
     Ok(extrude_groups.into())
@@ -121,7 +121,6 @@ async fn inner_extrude(length: f64, sketch_group_set: SketchGroupSet, args: Args
 pub(crate) async fn do_post_extrude(
     sketch_group: SketchGroup,
     length: f64,
-    id: Uuid,
     args: Args,
 ) -> Result<Box<ExtrudeGroup>, KclError> {
     // Bring the object to the front of the scene.
@@ -165,7 +164,7 @@ pub(crate) async fn do_post_extrude(
 
     let solid3d_info = args
         .send_modeling_cmd(
-            id,
+            uuid::Uuid::new_v4(),
             kittycad::types::ModelingCmd::Solid3DGetExtrusionFaceInfo {
                 edge_id,
                 object_id: sketch_group.id,
diff --git a/src/wasm-lib/kcl/src/std/loft.rs b/src/wasm-lib/kcl/src/std/loft.rs
index b48764456..57cf8f16d 100644
--- a/src/wasm-lib/kcl/src/std/loft.rs
+++ b/src/wasm-lib/kcl/src/std/loft.rs
@@ -170,5 +170,5 @@ async fn inner_loft(
     .await?;
 
     // Using the first sketch as the base curve, idk we might want to change this later.
-    do_post_extrude(sketch_groups[0].clone(), 0.0, id, args).await
+    do_post_extrude(sketch_groups[0].clone(), 0.0, args).await
 }
diff --git a/src/wasm-lib/kcl/src/std/revolve.rs b/src/wasm-lib/kcl/src/std/revolve.rs
index b91940a0f..ffdffc7a4 100644
--- a/src/wasm-lib/kcl/src/std/revolve.rs
+++ b/src/wasm-lib/kcl/src/std/revolve.rs
@@ -299,7 +299,7 @@ async fn inner_revolve(
         }
     }
 
-    do_post_extrude(sketch_group, 0.0, id, args).await
+    do_post_extrude(sketch_group, 0.0, args).await
 }
 
 #[cfg(test)]
diff --git a/src/wasm-lib/tests/executor/inputs/slow_lego.kcl.tmpl b/src/wasm-lib/tests/executor/inputs/slow_lego.kcl.tmpl
new file mode 100644
index 000000000..a8aae57f2
--- /dev/null
+++ b/src/wasm-lib/tests/executor/inputs/slow_lego.kcl.tmpl
@@ -0,0 +1,81 @@
+// 2x8 Lego Brick
+// A standard Lego brick with 2 bumps wide and 8 bumps long.
+// Define constants
+const lbumps = 10 // number of bumps long
+const wbumps = {{N}} // number of bumps wide
+const pitch = 8.0
+const clearance = 0.1
+const bumpDiam = 4.8
+const bumpHeight = 1.8
+const height = 9.6
+const t = (pitch - (2 * clearance) - bumpDiam) / 2.0
+const totalLength = lbumps * pitch - (2.0 * clearance)
+const totalWidth = wbumps * pitch - (2.0 * clearance)
+// Create the plane for the pegs. This is a hack so that the pegs can be patterned along the face of the lego base.
+const pegFace = {
+  plane: {
+    origin: { x: 0, y: 0, z: height },
+    xAxis: { x: 1, y: 0, z: 0 },
+    yAxis: { x: 0, y: 1, z: 0 },
+    zAxis: { x: 0, y: 0, z: 1 }
+  }
+}
+// Create the plane for the tubes underneath the lego. This is a hack so that the tubes can be patterned underneath the lego.
+const tubeFace = {
+    plane: {
+    origin: { x: 0, y: 0, z: height - t },
+    xAxis: { x: 1, y: 0, z: 0 },
+    yAxis: { x: 0, y: 1, z: 0 },
+    zAxis: { x: 0, y: 0, z: 1 }
+  }
+}
+// Make the base
+const s = startSketchOn('XY')
+  |> startProfileAt([-totalWidth / 2, -totalLength / 2], %)
+  |> line([totalWidth, 0], %)
+  |> line([0, totalLength], %)
+  |> line([-totalWidth, 0], %)
+  |> close(%)
+  |> extrude(height, %)
+
+// Sketch and extrude a rectangular shape to create the shell underneath the lego. This is a hack until we have a shell function.
+const shellExtrude = startSketchOn(s, "start")
+  |> startProfileAt([
+       -(totalWidth / 2 - t),
+       -(totalLength / 2 - t)
+     ], %)
+  |> line([totalWidth - (2 * t), 0], %)
+  |> line([0, totalLength - (2 * t)], %)
+  |> line([-(totalWidth - (2 * t)), 0], %)
+  |> close(%)
+  |> extrude(-(height - t), %)
+
+fn tr = (i) => {
+  let j = i + 1
+  let x = (j/wbumps) * pitch
+  let y = (j % wbumps) * pitch
+  return {
+    translate: [x, y, 0],
+  }
+}
+
+// Create the pegs on the top of the base
+const totalBumps = (wbumps * lbumps)-1
+const peg = startSketchOn(s, 'end')
+  |> circle([
+       -(pitch*(wbumps-1)/2),
+       -(pitch*(lbumps-1)/2)
+     ], bumpDiam / 2, %)
+  |> patternLinear2d({
+       axis: [1, 0],
+       repetitions: wbumps-1,
+       distance: pitch
+     }, %)
+  |> patternLinear2d({
+       axis: [0, 1],
+       repetitions: lbumps-1,
+       distance: pitch
+     }, %)
+  |> extrude(bumpHeight, %)
+  // |> patternTransform(int(totalBumps-1), tr, %)
+