glBegin(GL_QUADS);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glEnd;
glBegin(GL_QUADS);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glEnd;
glBegin(GL_QUADS);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glEnd;
glBegin(GL_QUADS);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glEnd;
glBegin(GL_QUADS);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glEnd;
glBegin(GL_QUADS);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glVertex3f( ?, ?, ?);
glEnd;