diff --git a/src/adaptors/rotmat.rs b/src/adaptors/rotmat.rs
index 540cf78c..cdad3c03 100644
--- a/src/adaptors/rotmat.rs
+++ b/src/adaptors/rotmat.rs
@@ -15,7 +15,7 @@ use vec::Vec1;
 use mat::{Mat2, Mat3};
 use vec::Vec3;
 
-#[deriving(Eq, ToStr)]
+#[deriving(Eq, ToStr, Clone)]
 pub struct Rotmat<M>
 { priv submat: M }
 
diff --git a/src/adaptors/transform.rs b/src/adaptors/transform.rs
index d3fd3857..a56092f3 100644
--- a/src/adaptors/transform.rs
+++ b/src/adaptors/transform.rs
@@ -11,7 +11,7 @@ use traits::rlmul::{RMul, LMul};
 use traits::homogeneous::{ToHomogeneous, FromHomogeneous};
 use traits::column::Column;
 
-#[deriving(Eq, ToStr)]
+#[deriving(Eq, ToStr, Clone)]
 pub struct Transform<M, V>
 {
   priv submat   : M,
diff --git a/src/vec.rs b/src/vec.rs
index 3bb6d9ed..237e6664 100644
--- a/src/vec.rs
+++ b/src/vec.rs
@@ -25,6 +25,7 @@ pub struct Vec1<N>
 { at: [N, ..1] }
 
 clone_impl!(Vec1)
+deep_clone_impl!(Vec1)
 new_impl!(Vec1, 1)
 new_repeat_impl!(Vec1, elem, [elem])
 indexable_impl!(Vec1)
@@ -60,6 +61,7 @@ pub struct Vec2<N>
 { at: [N, ..2] }
 
 clone_impl!(Vec2)
+deep_clone_impl!(Vec2)
 new_impl!(Vec2, 2)
 new_repeat_impl!(Vec2, elem, [elem | elem])
 indexable_impl!(Vec2)
@@ -95,6 +97,7 @@ pub struct Vec3<N>
 { at: [N, ..3] }
 
 clone_impl!(Vec3)
+deep_clone_impl!(Vec3)
 new_impl!(Vec3, 3)
 new_repeat_impl!(Vec3, elem, [elem | elem | elem])
 indexable_impl!(Vec3)
@@ -130,6 +133,7 @@ pub struct Vec4<N>
 { at: [N, ..4] }
 
 clone_impl!(Vec4)
+deep_clone_impl!(Vec4)
 new_impl!(Vec4, 4)
 new_repeat_impl!(Vec4, elem, [elem | elem | elem | elem])
 indexable_impl!(Vec4)
@@ -165,6 +169,7 @@ pub struct Vec5<N>
 { at: [N, ..5] }
 
 clone_impl!(Vec5)
+deep_clone_impl!(Vec5)
 new_impl!(Vec5, 5)
 new_repeat_impl!(Vec5, elem, [elem | elem | elem | elem | elem])
 indexable_impl!(Vec5)
@@ -200,6 +205,7 @@ pub struct Vec6<N>
 { at: [N, ..6] }
 
 clone_impl!(Vec6)
+deep_clone_impl!(Vec6)
 new_impl!(Vec6, 6)
 new_repeat_impl!(Vec6, elem, [elem | elem | elem | elem | elem | elem])
 indexable_impl!(Vec6)
diff --git a/src/vec_impl.rs b/src/vec_impl.rs
index a2e99e7d..95bb27d8 100644
--- a/src/vec_impl.rs
+++ b/src/vec_impl.rs
@@ -14,6 +14,21 @@ macro_rules! clone_impl(
   )
 )
 
+macro_rules! deep_clone_impl(
+  ($t:ident) => (
+    // FIXME: use 'DeepClone' alone. For the moment, we need 'Copy' because the automatic
+    // implementation of DeepClone for [t, ..n] is badly typed.
+    // XXX: this does not do a real deep clone
+    impl<N: DeepClone + Copy> DeepClone for $t<N>
+    {
+      fn deep_clone(&self) -> $t<N>
+      {
+        $t { at: copy self.at }
+      }
+    }
+  )
+)
+
 macro_rules! new_impl(
   ($t: ident, $dim: expr) => (
     impl<N> $t<N>
diff --git a/src/vec_spec.rs b/src/vec_spec.rs
index dabcc548..bfa64bdd 100644
--- a/src/vec_spec.rs
+++ b/src/vec_spec.rs
@@ -109,3 +109,11 @@ impl UniformSphereSample for Vec2<f64>
     { f(sample) }
   }
 }
+
+impl UniformSphereSample for Vec3<f64>
+{
+  pub fn sample(_: &fn(&'static Vec3<f64>))
+  {
+    fail!("UniformSphereSample for Vec3<f64> is not yet implemented.")
+  }
+}