diff --git a/engine/src/flutter/impeller/entity/entity_renderer.mm b/engine/src/flutter/impeller/entity/entity_renderer.mm
index aa4c60bbe1b..bd23b9fa3df 100644
--- a/engine/src/flutter/impeller/entity/entity_renderer.mm
+++ b/engine/src/flutter/impeller/entity/entity_renderer.mm
@@ -41,15 +41,13 @@ bool EntityRenderer::OnRender(RenderPass& pass) {
 
   shader::BoxVertexInfo::UniformBuffer uniforms;
   uniforms.color = Color::Blue();
-  uniforms.mvp = Matrix::MakeOrthographic({800, 600});
+  uniforms.mvp =
+      Matrix::MakeOrthographic({800, 600}).Scale({200.0, 200.0, 1.0});
   VertexBufferBuilder vertex_builder;
   vertex_builder.AddVertices({
-      {-0.5, 0.5, 1.0},   //
-      {0.5, 0.5, 1.0},    //
-      {0.5, -0.5, 1.0},   //
-      {0.5, -0.5, 1.0},   //
-      {-0.5, -0.5, 1.0},  //
-      {-0.5, 0.5, 1.0},   //
+      {0, 0.5, 0.0},      //
+      {0.5, -0.5, 0.0},   //
+      {-0.5, -0.5, 0.0},  //
   });
 
   Command cmd;
diff --git a/engine/src/flutter/impeller/geometry/matrix.cc b/engine/src/flutter/impeller/geometry/matrix.cc
index b783df7955c..fd24147d849 100644
--- a/engine/src/flutter/impeller/geometry/matrix.cc
+++ b/engine/src/flutter/impeller/geometry/matrix.cc
@@ -95,20 +95,19 @@ Matrix Matrix::MakeOrthographic(Scalar left,
   Scalar rsl = right - left;
   Scalar tab = top + bottom;
   Scalar tsb = top - bottom;
-  Scalar fan = farZ + nearZ;
+  // Scalar fan = farZ + nearZ;
   Scalar fsn = farZ - nearZ;
 
   // clang-format off
-  return Matrix(2.0 / rsl,   0.0,          0.0,        0.0,
-                0.0,         2.0 / tsb,    0.0,        0.0,
-                0.0,         0.0,         -2.0 / fsn,  0.0,
-                -ral / rsl, -tab / tsb,   -fan / fsn,  1.0);
+  return Matrix(2.0 / rsl,   0.0,          0.0,          0.0,
+                0.0,         2.0 / tsb,    0.0,          0.0,
+                0.0,         0.0,         -1.0 / fsn,    0.0,
+                -ral / rsl, -tab / tsb,   -nearZ / fsn,  1.0);
   // clang-format on
 }
 
 Matrix Matrix::MakeOrthographic(const Size& size) {
-  return Matrix::MakeOrthographic(0, size.width, size.height, 0, -INT_MAX,
-                                  INT_MAX);
+  return Matrix::MakeOrthographic(0, size.width, size.height, 0, 0.0, 1.0);
 }
 
 Matrix Matrix::MakePerspective(Scalar fov,
@@ -210,15 +209,6 @@ Matrix Matrix::Invert() const {
           tmp.m[12] * det, tmp.m[13] * det, tmp.m[14] * det, tmp.m[15] * det};
 }
 
-Matrix Matrix::Transpose() const {
-  return {
-      m[0], m[4], m[8],  m[12],  //
-      m[1], m[5], m[9],  m[13],  //
-      m[2], m[6], m[10], m[14],  //
-      m[3], m[7], m[11], m[15],  //
-  };
-}
-
 Scalar Matrix::GetDeterminant() const {
   auto a00 = e[0][0];
   auto a01 = e[0][1];
diff --git a/engine/src/flutter/impeller/geometry/matrix.h b/engine/src/flutter/impeller/geometry/matrix.h
index 9156b211a6a..62dadf76b90 100644
--- a/engine/src/flutter/impeller/geometry/matrix.h
+++ b/engine/src/flutter/impeller/geometry/matrix.h
@@ -16,6 +16,18 @@
 
 namespace impeller {
 
+//------------------------------------------------------------------------------
+/// @brief      A 4x4 matrix using column-major storage.
+///
+///             Utility methods that need to make assumptions about normalized
+///             device coordinates use the following convention:
+///               * Left-handed coordinate system. Positive rotation is
+///                 clockwise about axis of rotation.
+///               * Lower left corner is -1.0, -1.0.
+///               * Upper left corner is  1.0,  1.0.
+///               * Visible z-space is from 0.0 to 1.0.
+///                 * NOTE: This is not the same as OpenGL conventions!
+///               * Center is at (0.0, 0.0, 0.5).
 struct Matrix {
   union {
     Scalar m[16];
@@ -226,7 +238,14 @@ struct Matrix {
     // clang-format on
   }
 
-  Matrix Transpose() const;
+  constexpr Matrix Transpose() const {
+    return {
+        m[0], m[4], m[8],  m[12],  //
+        m[1], m[5], m[9],  m[13],  //
+        m[2], m[6], m[10], m[14],  //
+        m[3], m[7], m[11], m[15],  //
+    };
+  }
 
   Matrix Invert() const;
 
diff --git a/engine/src/flutter/impeller/primitives/box.vert b/engine/src/flutter/impeller/primitives/box.vert
index fef762838f7..c5bd284b526 100644
--- a/engine/src/flutter/impeller/primitives/box.vert
+++ b/engine/src/flutter/impeller/primitives/box.vert
@@ -11,6 +11,6 @@ in vec3 vertexPosition;
 out vec3 color;
 
 void main() {
-  gl_Position = vec4(vertexPosition, 1.0);
+  gl_Position = uniforms.mvp * vec4(vertexPosition, 1.0);
   color = uniforms.color;
 }