diff --git a/src/GCode.js b/src/GCode.js
index c6c8c1f..0ca052d 100644
--- a/src/GCode.js
+++ b/src/GCode.js
@@ -125,9 +125,11 @@ export default class {
 
   unRetract() {
     const {
-      retractionEnabled,
-      retractionMinDistance,
-      retractionSpeed
+      retraction: {
+        enabled: retractionEnabled,
+        minDistance: retractionMinDistance,
+        speed: retractionSpeed
+      }
     } = this._settings.config;
 
     if (this._isRetracted && retractionEnabled) {
@@ -149,10 +151,12 @@ export default class {
 
   retract() {
     const {
-      retractionAmount,
-      retractionEnabled,
-      retractionMinDistance,
-      retractionSpeed
+      retraction: {
+        amount: retractionAmount,
+        enabled: retractionEnabled,
+        minDistance: retractionMinDistance,
+        speed: retractionSpeed
+      }
     } = this._settings.config;
 
     if (!this._isRetracted && retractionEnabled) {
diff --git a/src/sliceActions/addBrim.js b/src/sliceActions/addBrim.js
index 000dce5..776bed4 100644
--- a/src/sliceActions/addBrim.js
+++ b/src/sliceActions/addBrim.js
@@ -11,7 +11,7 @@ const offsetOptions = {
 export default function addBrim(slices, settings) {
   console.log('add brim');
 
-  let { brimOffset } = settings.config;
+  let { brim: { offset: brimOffset } } = settings.config;
   brimOffset /= PRECISION;
 
   const [firstLayer] = slices;
diff --git a/src/sliceActions/generateInfills.js b/src/sliceActions/generateInfills.js
index b9e7925..4c4bb9a 100644
--- a/src/sliceActions/generateInfills.js
+++ b/src/sliceActions/generateInfills.js
@@ -7,11 +7,11 @@ export default function generateInfills(slices, settings) {
 
   let {
     layerHeight,
-    fillGridSize,
-    bottomThickness,
-    topThickness,
+    fill: { gridSize: fillGridSize },
+    bottom: { thickness: bottomThickness },
+    top: { thickness: topThickness },
     nozzleDiameter,
-    infillOverlap
+    fill: { overlap: infillOverlap }
   } = settings.config;
 
   fillGridSize /= PRECISION;
diff --git a/src/sliceActions/generateInnerLines.js b/src/sliceActions/generateInnerLines.js
index af10353..2074079 100644
--- a/src/sliceActions/generateInnerLines.js
+++ b/src/sliceActions/generateInnerLines.js
@@ -11,7 +11,7 @@ export default function generateInnerLines(slices, settings) {
   console.log('generating outer lines and inner lines');
 
   // need to scale up everything because of clipper rounding errors
-  let { layerHeight, nozzleDiameter, shellThickness } = settings.config;
+  let { layerHeight, nozzleDiameter, shell: { thickness: shellThickness } } = settings.config;
   nozzleDiameter /= PRECISION;
   shellThickness /= PRECISION;
   const nozzleRadius = nozzleDiameter / 2;
diff --git a/src/sliceActions/generateSupport.js b/src/sliceActions/generateSupport.js
index 20a00ae..d01b6f0 100644
--- a/src/sliceActions/generateSupport.js
+++ b/src/sliceActions/generateSupport.js
@@ -5,14 +5,16 @@ import { PRECISION } from '../constants.js';
 export default function generateSupport(slices, settings) {
   console.log('generating support');
 
-  if (!settings.config.supportEnabled) return;
+  if (!settings.config.support.enabled) return;
 
   let {
     layerHeight,
-    supportGridSize,
-    supportAcceptanceMargin,
-    supportPlateSize: plateSize,
-    supportDistanceY,
+    support: {
+      gridSize: supportGridSize,
+      margin: AcceptanceMargin,
+      plateSize: plateSize,
+      distanceY: DistanceY
+    },
     nozzleDiameter
   } = settings.config;