Fibonacci's spiral in OpenScad using a simple polar equation

fibonacci_golden_spiral.scad

//fibonacci_golden_spiral.scad - Simple implementation of the Fibonacci Spiral's polar equation

phi = (1 + sqrt(5)) / 2; // =~ 1.618

function radius(angle) = 10 * pow(phi, (angle / 90));

for(i = [0:1:720]) {
    translate([sin(i) * radius(i), cos(i) * radius(i)]) circle(3);
}

echo(version=version());
// Written by Fernando Gomes <feromes@gmail.com>
//
// To the extent possible under law, the author(s) have dedicated all
// copyright and related and neighboring rights to this software to the
// public domain worldwide. This software is distributed without any
// warranty.
//
// You should have received a copy of the CC0 Public Domain
// Dedication along with this software.
// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.

fibonacci_golden_spiral.svg