diff --git a/src/sliceActions/addBrim.js b/src/sliceActions/addBrim.js
new file mode 100644
index 0000000..a39e34e
--- /dev/null
+++ b/src/sliceActions/addBrim.js
@@ -0,0 +1,18 @@
+import THREE from 'three.js';
+import { PRECISION } from '../constants.js';
+
+const offsetOptions = {
+  jointType: 'jtSquare',
+  endType: 'etClosedPolygon',
+  miterLimit: 2.0,
+  roundPrecision: 0.25
+};
+
+export default function addBrim(slices, settings) {
+  console.log('add brim');
+
+  const brimOffset = settings.config['brimOffset'] / PRECISION;
+
+  const fistLayer = slices[0];
+  fistLayer.brim = fistLayer.getOutline().offset(brimOffset, offsetOptions);
+}
diff --git a/src/sliceActions/optimizePaths.js b/src/sliceActions/optimizePaths.js
index 2c873e5..40e9878 100644
--- a/src/sliceActions/optimizePaths.js
+++ b/src/sliceActions/optimizePaths.js
@@ -1,27 +1,15 @@
 import THREE from 'three.js';
 import { PRECISION } from '../constants.js';
 
-const offsetOptions = {
-  jointType: 'jtSquare',
-  endType: 'etClosedPolygon',
-  miterLimit: 2.0,
-  roundPrecision: 0.25
-};
 
 export default function optimizePaths(slices, settings) {
   console.log("opimize paths");
 
-  const brimOffset = settings.config["brimOffset"] / PRECISION;
-
   const start = new THREE.Vector2(0, 0);
 
   for (let layer = 0; layer < slices.length; layer ++) {
     const slice = slices[layer];
 
-    if (layer === 0) {
-      slice.brim = slice.getOutline().offset(brimOffset, offsetOptions);
-    }
-
     // start = slice.optimizePaths(start);
 
     for (let i = 0; i < slice.parts.length; i ++) {
diff --git a/src/slicer.js b/src/slicer.js
index 09b4fcc..6b3f303 100644
--- a/src/slicer.js
+++ b/src/slicer.js
@@ -6,6 +6,7 @@ import generateInfills from './sliceActions/generateInfills.js';
 import generateInnerLines from './sliceActions/generateInnerLines.js';
 import generateSupport from './sliceActions/generateSupport.js';
 import intersectionsToShapes from './sliceActions/intersectionsToShapes.js';
+import addBrim from './sliceActions/addBrim.js';
 import optimizePaths from './sliceActions/optimizePaths.js';
 import shapesToSlices from './sliceActions/shapesToSlices.js';
 import slicesToGCode from './sliceActions/slicesToGCode.js';
@@ -96,6 +97,8 @@ export default class extends EventDispatcher {
 			this._updateProgress(settings);
 		}
 
+		addBrim(slices, settings);
+
 		optimizePaths(slices, settings);
 		this.progress.optimizedPaths = true;
 	  this._updateProgress(settings);