diff --git a/rust/kcl-lib/src/execution/artifact.rs b/rust/kcl-lib/src/execution/artifact.rs
index 717081595..36fa47469 100644
--- a/rust/kcl-lib/src/execution/artifact.rs
+++ b/rust/kcl-lib/src/execution/artifact.rs
@@ -1122,32 +1122,36 @@ fn artifacts_to_update(
 
             let mut new_solid_ids = vec![id];
 
+            // Make sure we don't ever create a duplicate ID since merge_ids
+            // can't handle it.
+            let not_cmd_id = move |solid_id: &ArtifactId| *solid_id != id;
+
             match response {
                 OkModelingCmdResponse::BooleanIntersection(intersection) => intersection
                     .extra_solid_ids
                     .iter()
                     .copied()
                     .map(ArtifactId::new)
+                    .filter(not_cmd_id)
                     .for_each(|id| new_solid_ids.push(id)),
                 OkModelingCmdResponse::BooleanSubtract(subtract) => subtract
                     .extra_solid_ids
                     .iter()
                     .copied()
                     .map(ArtifactId::new)
+                    .filter(not_cmd_id)
                     .for_each(|id| new_solid_ids.push(id)),
                 OkModelingCmdResponse::BooleanUnion(union) => union
                     .extra_solid_ids
                     .iter()
                     .copied()
                     .map(ArtifactId::new)
+                    .filter(not_cmd_id)
                     .for_each(|id| new_solid_ids.push(id)),
                 _ => {}
             }
             let return_arr = new_solid_ids
                 .into_iter()
-                // Extra solid IDs may include the command's ID.  Make sure we
-                // don't create a duplicate.
-                .filter(|solid_id| *solid_id != id)
                 .map(|solid_id| {
                     Artifact::CompositeSolid(CompositeSolid {
                         id: solid_id,
diff --git a/rust/kcl-lib/tests/intersect_cubes/artifact_graph_flowchart.snap.md b/rust/kcl-lib/tests/intersect_cubes/artifact_graph_flowchart.snap.md
index d94dcb7c6..7529ff769 100644
--- a/rust/kcl-lib/tests/intersect_cubes/artifact_graph_flowchart.snap.md
+++ b/rust/kcl-lib/tests/intersect_cubes/artifact_graph_flowchart.snap.md
@@ -48,6 +48,7 @@ flowchart LR
   42["SweepEdge Adjacent"]
   43["SweepEdge Opposite"]
   44["SweepEdge Adjacent"]
+  45["CompositeSolid Intersect<br>[448, 477, 0]"]
   1 --- 2
   2 --- 3
   2 --- 4
@@ -114,4 +115,6 @@ flowchart LR
   30 --- 42
   30 --- 43
   30 --- 44
+  2 <--x 45
+  24 <--x 45
 ```
diff --git a/rust/kcl-lib/tests/subtract_cylinder_from_cube/artifact_graph_flowchart.snap.md b/rust/kcl-lib/tests/subtract_cylinder_from_cube/artifact_graph_flowchart.snap.md
index 2ca151fde..477743d8c 100644
--- a/rust/kcl-lib/tests/subtract_cylinder_from_cube/artifact_graph_flowchart.snap.md
+++ b/rust/kcl-lib/tests/subtract_cylinder_from_cube/artifact_graph_flowchart.snap.md
@@ -36,6 +36,7 @@ flowchart LR
   30["Cap End"]
   31["SweepEdge Opposite"]
   32["SweepEdge Adjacent"]
+  33["CompositeSolid Subtract<br>[461, 497, 0]"]
   1 --- 2
   2 --- 3
   2 --- 4
@@ -81,4 +82,6 @@ flowchart LR
   27 --- 30
   27 --- 31
   27 --- 32
+  2 <--x 33
+  24 <--x 33
 ```
diff --git a/rust/kcl-lib/tests/subtract_doesnt_need_brackets/artifact_graph_flowchart.snap.md b/rust/kcl-lib/tests/subtract_doesnt_need_brackets/artifact_graph_flowchart.snap.md
index f04581fb3..6da35c68c 100644
--- a/rust/kcl-lib/tests/subtract_doesnt_need_brackets/artifact_graph_flowchart.snap.md
+++ b/rust/kcl-lib/tests/subtract_doesnt_need_brackets/artifact_graph_flowchart.snap.md
@@ -48,6 +48,7 @@ flowchart LR
   42["SweepEdge Adjacent"]
   43["SweepEdge Opposite"]
   44["SweepEdge Adjacent"]
+  45["CompositeSolid Subtract<br>[445, 479, 0]"]
   1 --- 2
   2 --- 3
   2 --- 4
@@ -114,4 +115,6 @@ flowchart LR
   30 --- 42
   30 --- 43
   30 --- 44
+  2 <--x 45
+  24 <--x 45
 ```
diff --git a/rust/kcl-lib/tests/union_cubes/artifact_graph_flowchart.snap.md b/rust/kcl-lib/tests/union_cubes/artifact_graph_flowchart.snap.md
index d94dcb7c6..a991f572e 100644
--- a/rust/kcl-lib/tests/union_cubes/artifact_graph_flowchart.snap.md
+++ b/rust/kcl-lib/tests/union_cubes/artifact_graph_flowchart.snap.md
@@ -48,6 +48,7 @@ flowchart LR
   42["SweepEdge Adjacent"]
   43["SweepEdge Opposite"]
   44["SweepEdge Adjacent"]
+  45["CompositeSolid Union<br>[448, 473, 0]"]
   1 --- 2
   2 --- 3
   2 --- 4
@@ -114,4 +115,6 @@ flowchart LR
   30 --- 42
   30 --- 43
   30 --- 44
+  2 <--x 45
+  24 <--x 45
 ```