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diff --git a/dev/a5-artrender/edge_mesh.cc b/dev/a5-artrender/edge_mesh.cc
deleted file mode 100644
index f2ad66b..0000000
--- a/dev/a5-artrender/edge_mesh.cc
+++ /dev/null
@@ -1,231 +0,0 @@
-/** CSci-4611 Assignment 5:  Art Render
- */
-
-#include "edge_mesh.h"
-
-EdgeMesh::EdgeMesh() : gpuDirty_(true), vertexBuffer_(0), vertexArray_(0), elementBuffer_(0)
-{
-    
-}
-
-EdgeMesh::~EdgeMesh() {
-}
-
-
-
-void EdgeMesh::CreateFromMesh(const Mesh &mesh) {
-    
-    // temp data holders for use while constructing the mesh in an indexed primitives mode
-    std::vector<Point3> vertices;                   // vertex positions
-    std::vector<Vector3> normals;                   // vertex normals
-    std::vector<Vector3> leftNormals, rightNormals; // normals of adj. faces
-    std::vector< std::vector<unsigned int> > triangles;      // fin triangles
-
-    for (int t = 0; t < mesh.num_triangles(); t++) {
-        std::vector<unsigned int> tri = mesh.read_triangle_indices_data(t);
-        Point3 a = mesh.read_vertex_data(tri[0]);
-        Point3 b = mesh.read_vertex_data(tri[1]);
-        Point3 c = mesh.read_vertex_data(tri[2]);
-        Vector3 e1 = b-a;
-        e1.Normalize();
-        Vector3 e2 = c-a;
-        e2.Normalize();
-        Vector3 n = e1.Cross(e2);
-        
-        //Vector3 n = ((b-a).cross(c-a)).to_unit();
-        //std::cout << n << std::endl;
-        addEdge(&vertices, &normals, &leftNormals, &rightNormals, &triangles, mesh, tri[0], tri[1], n);
-        addEdge(&vertices, &normals, &leftNormals, &rightNormals, &triangles, mesh, tri[1], tri[2], n);
-        addEdge(&vertices, &normals, &leftNormals, &rightNormals, &triangles, mesh, tri[2], tri[0], n);
-    }
-    
-    // now transfer data to the member variable data holders
-    for (int i=0; i<vertices.size(); i++) {
-        verts_.push_back(vertices[i][0]);
-        verts_.push_back(vertices[i][1]);
-        verts_.push_back(vertices[i][2]);
-        norms_.push_back(normals[i][0]);
-        norms_.push_back(normals[i][1]);
-        norms_.push_back(normals[i][2]);
-        leftNorms_.push_back(leftNormals[i][0]);
-        leftNorms_.push_back(leftNormals[i][1]);
-        leftNorms_.push_back(leftNormals[i][2]);
-        rightNorms_.push_back(rightNormals[i][0]);
-        rightNorms_.push_back(rightNormals[i][1]);
-        rightNorms_.push_back(rightNormals[i][2]);
-    }
-    
-    for (int i=0; i<triangles.size(); i++) {
-        indices_.push_back(triangles[i][0]);
-        indices_.push_back(triangles[i][1]);
-        indices_.push_back(triangles[i][2]);
-    }
-    gpuDirty_ = true;
-}
-
-
-void EdgeMesh::addEdge(std::vector<Point3> *vertices,
-                       std::vector<Vector3> *normals,
-                       std::vector<Vector3> *leftNormals,
-                       std::vector<Vector3> *rightNormals,
-                       std::vector< std::vector<unsigned int> > *triangles,
-                       const Mesh &mesh, int v0, int v1, Vector3 n)
-{
-    // edgeMap contains the index of the first of four consecutive vertices
-    // that form the quad fin
-
-    EdgeMap::iterator it = edgeMap.find(std::make_pair(v1, v0));
-    if (it != edgeMap.end()) { // found
-        int v = it->second;
-        (*rightNormals)[(size_t)v+0]
-            = (*rightNormals)[(size_t)v+1]
-            = (*rightNormals)[(size_t)v+2]
-            = (*rightNormals)[(size_t)v+3]
-            = n;
-    }
-    else {
-        int v = (int)vertices->size();
-        edgeMap[std::make_pair(v0, v1)] = v;
-        
-        vertices->push_back(mesh.read_vertex_data(v0));
-        vertices->push_back(mesh.read_vertex_data(v0));
-        vertices->push_back(mesh.read_vertex_data(v1));
-        vertices->push_back(mesh.read_vertex_data(v1));
-        
-        normals->push_back(Vector3());
-        normals->push_back(mesh.read_normal_data(v0));
-        normals->push_back(Vector3());
-        normals->push_back(mesh.read_normal_data(v1));
-        
-        leftNormals->push_back(n);
-        leftNormals->push_back(n);
-        leftNormals->push_back(n);
-        leftNormals->push_back(n);
-        
-        rightNormals->push_back(-n);
-        rightNormals->push_back(-n);
-        rightNormals->push_back(-n);
-        rightNormals->push_back(-n);
-
-        std::vector<unsigned int> tri1;
-        tri1.push_back(v+0);
-        tri1.push_back(v+2);
-        tri1.push_back(v+3);
-        triangles->push_back(tri1);
-        
-        std::vector<unsigned int> tri2;
-        tri2.push_back(v+0);
-        tri2.push_back(v+3);
-        tri2.push_back(v+1);
-        triangles->push_back(tri2);
-    }
-}
-
-
-
-void EdgeMesh::UpdateGPUMemory() {
-    if (gpuDirty_) {
-        // sanity check -- for each attribute that is added make sure the number
-        // of triangles is equal to the number of tris in the verts array.
-        if (norms_.size() / 3 != num_vertices()) {
-            std::cerr << "EdgeMesh::UpdateGPUMemory() -- warning: the number of per vertex normals in the mesh is not equal to the number vertices in the mesh. (N = " << norms_.size() / 3 << ", V = " << num_vertices() << ")" << std::endl;
-        }
-        if (leftNorms_.size() / 3 != num_vertices()) {
-            std::cerr << "EdgeMesh::UpdateGPUMemory() -- warning: the number of per vertex left-normals in the mesh is not equal to the number vertices in the mesh. (LN = " << leftNorms_.size() / 3 << ", V = " << num_vertices() << ")" << std::endl;
-        }
-        if (rightNorms_.size() / 3 != num_vertices()) {
-            std::cerr << "EdgeMesh::UpdateGPUMemory() -- warning: the number of per vertex right-normals in the mesh is not equal to the number vertices in the mesh. (RN = " << rightNorms_.size() / 3 << ", V = " << num_vertices() << ")" << std::endl;
-        }
-        
-        GLsizeiptr totalMemSize = 0;
-        
-        GLsizeiptr vertsMemSize = verts_.size() * sizeof(float);
-        GLsizeiptr vertsMemOffset = 0;
-        totalMemSize += vertsMemSize;
-        
-        GLsizeiptr normsMemSize = norms_.size() * sizeof(float);
-        GLsizeiptr normsMemOffset = totalMemSize;
-        totalMemSize += normsMemSize;
-        
-        GLsizeiptr leftNormsMemSize = leftNorms_.size() * sizeof(float);
-        GLsizeiptr leftNormsMemOffset = totalMemSize;
-        totalMemSize += leftNormsMemSize;
-
-        GLsizeiptr rightNormsMemSize = rightNorms_.size() * sizeof(float);
-        GLsizeiptr rightNormsMemOffset = totalMemSize;
-        totalMemSize += rightNormsMemSize;
-
-        glGenBuffers(1, &vertexBuffer_);
-        glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer_);
-        glBufferData(GL_ARRAY_BUFFER, totalMemSize, NULL, GL_STATIC_DRAW);
-        
-        glBufferSubData(GL_ARRAY_BUFFER, vertsMemOffset, vertsMemSize, &verts_[0]);
-        glBufferSubData(GL_ARRAY_BUFFER, normsMemOffset, normsMemSize, &norms_[0]);
-        glBufferSubData(GL_ARRAY_BUFFER, leftNormsMemOffset, leftNormsMemSize, &leftNorms_[0]);
-        glBufferSubData(GL_ARRAY_BUFFER, rightNormsMemOffset, rightNormsMemSize, &rightNorms_[0]);
-        
-        glGenVertexArrays(1, &vertexArray_);
-        glBindVertexArray(vertexArray_);
-        glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer_);
-        
-        // attribute 0 = vertices (required)
-        int attribID = 0;
-        int nComponents = 3;
-        glEnableVertexAttribArray(attribID);
-        glVertexAttribPointer(attribID, nComponents, GL_FLOAT, GL_FALSE, nComponents*sizeof(GLfloat), (char*)0 + vertsMemOffset);
-        
-        // attribute 1 = normals (required)
-        attribID = 1;
-        nComponents = 3;
-        glEnableVertexAttribArray(attribID);
-        glVertexAttribPointer(attribID, nComponents, GL_FLOAT, GL_TRUE, nComponents*sizeof(GLfloat), (char*)0 + normsMemOffset);
-
-        // attribute 2 = left normals (required)
-        attribID = 2;
-        nComponents = 3;
-        glEnableVertexAttribArray(attribID);
-        glVertexAttribPointer(attribID, nComponents, GL_FLOAT, GL_TRUE, nComponents*sizeof(GLfloat), (char*)0 + leftNormsMemOffset);
-
-        // attribute 3 = right normals (required)
-        attribID = 3;
-        nComponents = 3;
-        glEnableVertexAttribArray(attribID);
-        glVertexAttribPointer(attribID, nComponents, GL_FLOAT, GL_TRUE, nComponents*sizeof(GLfloat), (char*)0 + rightNormsMemOffset);
-        
-        glBindVertexArray(0);
-        
-        
-        glGenBuffers(1, &elementBuffer_);
-        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementBuffer_);
-        glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices_.size() * sizeof(unsigned int), &indices_[0], GL_STATIC_DRAW);
-        
-        
-        gpuDirty_ = false;
-    }
-}
-
-
-void EdgeMesh::Draw() {
-    if (gpuDirty_) {
-        UpdateGPUMemory();
-    }
-    
-    // set defaults to pass to shaders any for optional attribs
-    glVertexAttrib3f(1, 0.0, 0.0, 1.0);      // normal = +Z
-    glVertexAttrib3f(2, 0.0, 0.0, 1.0);      // left-normal = +Z
-    glVertexAttrib3f(3, 0.0, 0.0, 1.0);      // right-normal = +Z
-    
-    glBindVertexArray(vertexArray_);
-    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementBuffer_);
-    glDrawElements(GL_TRIANGLES, (GLsizei)indices_.size(), GL_UNSIGNED_INT, (void*)0);
-    glBindVertexArray(0);
-}
-
-
-int EdgeMesh::num_vertices() const {
-    return (int)verts_.size()/3;
-}
-
-int EdgeMesh::num_triangles() const {
-    return (int)indices_.size()/3;
-}