diff --git a/rtiow/vec3/src/vec3.rs b/rtiow/vec3/src/vec3.rs
index 619e949..af956f1 100644
--- a/rtiow/vec3/src/vec3.rs
+++ b/rtiow/vec3/src/vec3.rs
@@ -57,6 +57,12 @@ impl Vec3 {
     }
 }
 
+impl From<f32> for Vec3 {
+    fn from(v: f32) -> Self {
+        Vec3 { x: v, y: v, z: v }
+    }
+}
+
 impl From<[f32; 3]> for Vec3 {
     fn from(v: [f32; 3]) -> Self {
         Vec3 {