glTranslatef(x, y, z);

        glBindTexture(GL_TEXTURE_2D, texture[0]);
        glBegin(GL_QUADS);
        glTexCoord2f(0, 0);   glVertex3f(-size, -size, -size);
        glTexCoord2f(1, 0);   glVertex3f(size,  -size, -size);
        glTexCoord2f(1, 1);   glVertex3f( size,  size, -size);
        glTexCoord2f(0, 1);   glVertex3f( -size, size, -size);
        glEnd();

        glBindTexture(GL_TEXTURE_2D, texture[1]);
        glBegin(GL_QUADS);
        glTexCoord2f(0, 0); glVertex3f(size, -size, size);
        glTexCoord2f(1, 0); glVertex3f(-size,  -size, size);
        glTexCoord2f(1, 1); glVertex3f( -size,  size, size);
        glTexCoord2f(0, 1); glVertex3f( size, size, size);
        glEnd();

        glBindTexture(GL_TEXTURE_2D, texture[2]);
        glBegin(GL_QUADS);
        glTexCoord2f(0, 0); glVertex3f(-size, -size,  size);
        glTexCoord2f(1, 0); glVertex3f(-size, -size, -size);
        glTexCoord2f(1, 1); glVertex3f(-size,  size, -size);
        glTexCoord2f(0, 1); glVertex3f(-size,  size,  size);
        glEnd();

        glBindTexture(GL_TEXTURE_2D, texture[3]);
        glBegin(GL_QUADS);
        glTexCoord2f(0, 0); glVertex3f(size, -size, -size);
        glTexCoord2f(1, 0); glVertex3f(size,  -size, size);
        glTexCoord2f(1, 1); glVertex3f(size,  size,  size);
        glTexCoord2f(0, 1); glVertex3f(size, size,  -size);
        glEnd();

        glBindTexture(GL_TEXTURE_2D, texture[4]);
        glBegin(GL_QUADS);
        glTexCoord2f(0, 0); glVertex3f(-size, -size,  size);
        glTexCoord2f(1, 0); glVertex3f(size, -size, size);
        glTexCoord2f(1, 1); glVertex3f( size, -size, -size);
        glTexCoord2f(0, 1); glVertex3f( -size, -size,  -size);
        glEnd();

        glBindTexture(GL_TEXTURE_2D, texture[5]);
        glBegin(GL_QUADS);
        glTexCoord2f(0, 0); glVertex3f(-size, size,  -size);
        glTexCoord2f(1, 0); glVertex3f(size, size, -size);
        glTexCoord2f(1, 1); glVertex3f( size, size, size);
        glTexCoord2f(0, 1); glVertex3f( -size, size,  size);
        glEnd();

glTranslatef(-x, -y, -z);