function get_cylinder_h(p) = lookup(p, [
[ -200, 5 ],
[ -50, 20 ],
[ -20, 18 ],
[ +80, 25 ],
[ +150, 2 ]
]);
for (i = [-100:5:+100]) {
// echo(i, get_cylinder_h(i));
translate([ i, 0, -30 ]) cylinder(r1 = 6, r2 = 2, h = get_cylinder_h(i)*3);
}