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// Spirograph simulator
// Ed Nisley KE4ZNU - 2017-12-23
// Adapted for Guillioche plots with ball point pens - 2018-09-25
// 2019-06 Text on circular arcs
// 2019-08 Coordinate pruning
// 2019-09 Allow L > 1.0, proper scale to fit disk
// 2023-11 Strip down for SVG output, add layer colors for LightBurn

// Spirograph equations:
//  https://en.wikipedia.org/wiki/Spirograph

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// OMTech laser cutter mirror pin wrench
// Ed Nisley - KE4ZNU - August 2023

// From https://www.thingiverse.com/thing:4146258
use <knurledFinishLib_v2_1.scad>

/* [Hidden] */

ThreadThick = 0.20;
ThreadWidth = 0.40;

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// Tour Easy Running Light
// Ed Nisley - KE4ZNU
// September 2021
// 2023-03 preprocessorize for front/rear lights

// https://github.com/markfickett/arduinomorse
#include <morse.h>

// Bafang headlight output pulls pin low
#define PIN_LIGHTMODE 2

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(Magnet pockets for laser-cut lathe chuck stops)
(2023-07 Ed Nisley)

#<chuckrad>=20.000                  (radius to center of magnet)
#<chuckjaws>=3                      (number of jaws)
#<chuckang>=[360.0/#<chuckjaws>]    (angle between jaws)

#<bitrad>=[2.900/2]                 (cutter radius)

#<pocketrad>=[4.100/2]              (magnet pocket radius)

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