var alphaShape = require("alpha-shape")
var points = [
[0.9016381627581787, 0.5003897457914939, 0.11064094454278495],
[0.6677021645723598, 0.5190459142762935, 0.4221100146124732],
[0.5813531630779389, 0.18900966289335175, 0.9217677173114724],
[0.865059478284703, 0.71477564849315, 0.36260754458255406],
[0.6939529153474795, 0.753540893509971, 0.8871682472417979],
[0.7955499479483117, 0.3198809832101075, 0.8399213925680513],
[0.25982865736532323, 0.33538550898296315, 0.2163119470963415],
[0.04633728090568856, 0.8991183094645228, 0.8169232630725838],
[0.08399524814515691, 0.2571676753335388, 0.5900703744472551],
[0.5312113415688489, 0.07245885095901672, 0.4157959075950943],
]
const result = alphaShape(1, points)
console.log(result)
// output:
// [
// [5, 3, 0],
// [3, 6, 0],
// [2, 4, 5],
// [4, 3, 5],
// [4, 2, 7],
// [9, 5, 0],
// [3, 4, 7],
// [6, 9, 0],
// [9, 2, 5],
// [3, 7, 6],
// [2, 8, 7],
// [8, 2, 9],
// [6, 7, 8],
// [6, 8, 9],
// ]
Created from: https://npm.runkit.com/alpha-shape