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diff --git a/dev/a5-artrender/shaders/outline.vert b/dev/a5-artrender/shaders/outline.vert
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+++ b/dev/a5-artrender/shaders/outline.vert
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+#version 330
+
+// CSci-4611 Assignment 5:  Art Render
+
+// TODO: You need to modify this vertex shader to move the edge vertex along
+// the normal away from the mesh surface IF you determine that the vertex
+// belongs to a silhouette edge.
+
+
+uniform mat4 model_view_matrix;
+uniform mat4 normal_matrix;
+uniform mat4 proj_matrix;
+uniform float thickness;
+
+layout(location = 0) in vec3 vertex;
+layout(location = 1) in vec3 normal;
+layout(location = 2) in vec3 left_normal;
+layout(location = 3) in vec3 right_normal;
+
+void main() {
+    gl_Position = proj_matrix * model_view_matrix * vec4(vertex,1);
+}