glGenBuffers(1, &VBO);
    glBindBuffer(GL_ARRAY_BUFFER, VBO);
    glBufferData(GL_ARRAY_BUFFER, sizeof(MDVertex) * n, &vertex[0].x, GL_STATIC_DRAW);

    USHORT indices[n];
    for (int i = 0; i < n; i++)
        indices[i] = i;

    glGenBuffers(1, &IBO);
    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, IBO);
    glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(USHORT) * n, indices, GL_STATIC_DRAW);

    glBindBuffer(GL_ARRAY_BUFFER, VBO);
    glEnableClientState(GL_VERTEX_ARRAY);
    glVertexPointer(3, GL_FLOAT, sizeof(MDVertex), BUFFER_OFFSET(0));
    glEnableClientState(GL_NORMAL_ARRAY);
    glNormalPointer(GL_FLOAT, sizeof(MDVertex), BUFFER_OFFSET(12));
    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
    glTexCoordPointer(2, GL_FLOAT, sizeof(MDVertex), BUFFER_OFFSET(24));

    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, IBO);

    glDrawElements(GL_TRIANGLES, n, GL_UNSIGNED_SHORT, BUFFER_OFFSET(0));

    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
    glDisableClientState(GL_NORMAL_ARRAY);
    glDisableClientState(GL_VERTEX_ARRAY);

    glDeleteBuffers(1, &VBO);
    glDeleteBuffers(1, &IBO);