diff --git a/src/point.rs b/src/point.rs
index 06d2c07..e5c2494 100644
--- a/src/point.rs
+++ b/src/point.rs
@@ -11,7 +11,7 @@ use length::Length;
 use size::Size2D;
 use num::Zero;
 
-use std::fmt;
+use std::fmt::{self, Formatter};
 use std::num::NumCast;
 use std::ops::{Add, Neg, Mul, Sub, Div};
 
@@ -33,6 +33,13 @@ impl<T: fmt::Debug> fmt::Debug for Point2D<T> {
     }
 }
 
+impl<T: fmt::Display> fmt::Display for Point2D<T> {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        write!(formatter, "({},{})", self.x, self.y);
+        Ok(())
+    }
+}
+
 pub fn Point2D<T>(x: T, y: T) -> Point2D<T> {
     Point2D {x: x, y: y}
 }
diff --git a/src/rect.rs b/src/rect.rs
index 504d8fd..7e0a8c0 100644
--- a/src/rect.rs
+++ b/src/rect.rs
@@ -13,7 +13,7 @@ use num::Zero;
 use point::Point2D;
 use size::Size2D;
 use std::cmp::PartialOrd;
-use std::fmt;
+use std::fmt::{self, Formatter};
 use std::num::NumCast;
 use std::ops::{Add, Sub, Mul, Div};
 
@@ -29,6 +29,13 @@ impl<T: fmt::Debug> fmt::Debug for Rect<T> {
     }
 }
 
+impl<T: fmt::Display> fmt::Display for Rect<T> {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        write!(formatter, "Rect({} at {})", self.size.to_string(), self.origin.to_string());
+        Ok(())
+    }
+}
+
 pub fn Rect<T:Clone>(origin: Point2D<T>, size: Size2D<T>) -> Rect<T> {
     Rect {
         origin: origin,
diff --git a/src/size.rs b/src/size.rs
index 75740b2..e34a218 100644
--- a/src/size.rs
+++ b/src/size.rs
@@ -10,7 +10,7 @@
 use length::Length;
 use num::Zero;
 
-use std::fmt;
+use std::fmt::{self, Formatter};
 use std::num::NumCast;
 use std::ops::{Mul, Div};
 
@@ -26,6 +26,13 @@ impl<T: fmt::Debug> fmt::Debug for Size2D<T> {
     }
 }
 
+impl<T: fmt::Display> fmt::Display for Size2D<T> {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        write!(formatter, "({}x{})", self.width, self.height);
+        Ok(())
+    }
+}
+
 pub fn Size2D<T: Clone>(width: T, height: T) -> Size2D<T> {
     Size2D {
         width: width,