glBegin(GL_QUADS);
	glColor3d(1, 0.5, 0);
	glVertex3d(0, r1, h);
	glVertex3d(0, -r1, h);
	glVertex3d(d, -r2, h);
	glVertex3d(d, r2, h);
	glColor3d(1, 0.5, 0);
	glVertex3d(0, r1, 0);
	glVertex3d(0, r1, h);
	glVertex3d(d, r2, h);
	glVertex3d(d, r2, 0);
	glColor3d(1, 0.5, 0);
	glVertex3d(0, r1, 0);
	glVertex3d(d, r2, 0);
	glVertex3d(d, -r2, 0);
	glVertex3d(0, -r1, 0);
	glColor3d(1, 0.5, 0);
	glVertex3d(0, -r1, 0);
	glVertex3d(d, -r2, 0);
	glVertex3d(d, -r2, h);
	glVertex3d(0, -r1, h);
	glEnd();