don't export settings object

src/Slicer.js

@@ -1,4 +1,5 @@
 import * as THREE from 'three.js';
+import Settings from './Settings.js';
 import slice from './sliceActions/slice.js';
 import SlicerWorker from './slicerWorker.js!worker';
 
@@ -28,13 +29,13 @@ export default class {
     return this;
   }
   sliceSync(settings) {
-    return slice(this.geometry, settings);
+    return slice(this.geometry, new Settings(settings));
   }
   slice(settings) {
     const slicerWorker = new SlicerWorker();
 
     const geometry = this.geometry.toJSON();
-    const { config } = settings;
+    const { config } = new Settings(settings);
 
     return new Promise((resolve, reject) => {
       slicerWorker.onerror = reject;

src/index.js

@@ -1,6 +1,18 @@
 import Slicer from './Slicer.js';
-import Settings from './Settings.js';
-import printerSettings from './settings/printer_settings.json!json';
-import userSettings from './settings/user_settings.json!json';
+import defaultSettings from './settings/default.yml!text';
+import printerSettings from './settings/printer.yml!text';
+import materialSettings from './settings/material.yml!text';
+import qualitySettings from './settings/quality.yml!text';
+import yaml from 'js-yaml';
 
-export { Slicer, Settings, printerSettings, userSettings };
+const ds = {
+    base: yaml.safeLoad(defaultSettings),
+    printer: yaml.safeLoad(printerSettings),
+    material: yaml.safeLoad(materialSettings),
+    quality: yaml.safeLoad(qualitySettings)
+};
+
+export { 
+  Slicer, 
+  ds as defaultSettings
+};

src/settings/quality.yml

@@ -1,6 +1,9 @@
 low:
+  title: "Low"
   layerHeight: .2
 medium:
+  title: "Medium"
   layerHeight: .15
 height:
+  title: "High"
   layerHeight: .1

src/sliceActions/calculateLayersIntersections.js

@@ -3,7 +3,7 @@ import * as THREE from 'three.js';
 export default function calculateLayersIntersections(lines, settings) {
   console.log('calculating layer intersections');
 
-  const { layerHeight, dimensionsZ } = settings.config;
+  const { layerHeight, dimensions: { z: dimensionsZ } } = settings.config;
 
   const numLayers = Math.floor(dimensionsZ / layerHeight);