diff --git a/packages/sven/config/index.js b/packages/sven/config/index.js
index 16c1b042ff5..c627bc49e80 100644
--- a/packages/sven/config/index.js
+++ b/packages/sven/config/index.js
@@ -18,7 +18,7 @@ export default {
       'lengthBonus',
       'sleeveLengthBonus',
     ],
-    style: ['ribbing', 'ribbingHeight'],
+    style: ['ribbing', 'ribbingHeight', 's3Collar', 's3Armhole' ],
     advanced: [
       'acrossBackFactor',
       'armholeDepthFactor',
@@ -110,6 +110,10 @@ export default {
 
     shoulderEase: { pct: 0, min: -2, max: 6 },
 
+    // s3 is short for Shoulder Seam Shift
+    s3Collar: { pct: 0, min: -100, max: 100 },
+    s3Armhole: { pct: 0, min: -100, max: 100 },
+
     sleevecapEase: { pct: 0, min: 0, max: 10 },
     sleevecapTopFactorX: { pct: 50, min: 25, max: 75 },
     sleevecapTopFactorY: { pct: 100, min: 35, max: 165 },
diff --git a/packages/sven/src/front.js b/packages/sven/src/front.js
index eeef74fd125..8dc7d3bd114 100644
--- a/packages/sven/src/front.js
+++ b/packages/sven/src/front.js
@@ -35,10 +35,11 @@ export default (part) => {
     .curve_(points.hipsCp2, points.armhole)
     .curve(points.armholeCp2, points.armholeHollowCp1, points.armholeHollow)
     .curve(points.armholeHollowCp2, points.armholePitchCp1, points.armholePitch)
-    .curve(points.armholePitchCp2, points.shoulderCp1, points.shoulder)
-    .line(points.neck)
-  if (front) paths.saBase.curve(points.neckCp2Front, points.cfNeckCp1, points.cfNeck)
-  else paths.saBase.curve_(points.neckCp2, points.cbNeck)
+  if (front) paths.saBase = paths.saBase.join(paths.frontArmhole)
+  else paths.saBase = paths.saBase.join(paths.backArmhole)
+  paths.saBase.line(points.s3CollarSplit)
+  if (front) paths.saBase = paths.saBase.join(paths.frontCollar)
+  else paths.saBase = paths.saBase.join(paths.backCollar)
   if (front) paths.hemBase = new Path().move(points.cfHem).line(points.hem)
   else paths.hemBase = new Path().move(points.cbHem).line(points.hem)