gistfile1.c

// Vertices drawn as GL_TRIANGLE_STRIP:
    GLfloat d = 0.5f;
    // We have 4 verts * 3 coords = 12 elements per slice
    const GLfloat one_slice[12] = {
        // x, y, z
        -d,  d, 0.,
         d,  d, 0.,
        -d, -d, 0.,
         d, -d, 0.,
    };

// modelview projection:

    float dim = 2.f;
    GLKMatrix4 projectionMatrix = GLKMatrix4MakeOrtho(-dim, dim,
                                                      -dim, dim,
                                                      -dim, dim);
    
    float axdist = 1.f;
    GLKMatrix4 modelViewMatrix = GLKMatrix4MakeLookAt(axdist, axdist, axdist,
                                                      0., 0., 0.,
                                                      0., 1., 0.);

    _modelViewProjectionMatrix = GLKMatrix4Multiply(projectionMatrix, modelViewMatrix);