diff --git a/Cargo.lock b/Cargo.lock
index bdf80e687..117bdbee9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1366,6 +1366,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "clap",
+ "cuboid",
  "fj",
 ]
 
diff --git a/models/cuboid/src/main.rs b/models/cuboid/src/main.rs
index 703ae6100..5dd122db6 100644
--- a/models/cuboid/src/main.rs
+++ b/models/cuboid/src/main.rs
@@ -4,7 +4,7 @@ use fj::{Args, Instance};
 #[derive(Parser)]
 struct Parameters {
     /// Size of the cuboid, as a comma-separated vector `x,y,z`
-    #[arg(long, value_parser = parse_vector_3)]
+    #[arg(long, value_parser = parse_vector_3, default_value = "1,1,1")]
     size: [f64; 3],
 
     #[command(flatten)]
diff --git a/models/holes/Cargo.toml b/models/holes/Cargo.toml
index 9b5cacaca..a51f67b6d 100644
--- a/models/holes/Cargo.toml
+++ b/models/holes/Cargo.toml
@@ -11,3 +11,4 @@ path = "src/main.rs"
 fj = { path = "../../crates/fj" }
 clap = { version = "4.5", features = ["derive"] }
 anyhow = "1.0"
+cuboid = { path = "../cuboid" }
diff --git a/models/holes/src/lib.rs b/models/holes/src/lib.rs
index 013cbdef8..9724d1ffe 100644
--- a/models/holes/src/lib.rs
+++ b/models/holes/src/lib.rs
@@ -13,7 +13,7 @@ pub fn model(radius: impl Into<Scalar>, core: &mut fj::core::Core) -> Solid {
     let radius = radius.into();
 
     let size = radius * 4.;
-    let cuboid = cuboid::model([size * 2., size, size], core);
+    let cuboid = ::cuboid::model([size * 2., size, size], core);
 
     cuboid.update_shell(
         cuboid.shells().only(),