diff --git a/helper/screws.scad b/helper/screws.scad
index 5eb6bc9..55d249e 100644
--- a/helper/screws.scad
+++ b/helper/screws.scad
@@ -82,7 +82,7 @@ module counterSunkHead_N(screwType, screwExtension=0, headExtension=0) {
 
 module hexNutPocket_N(screwType, openSide=true) {
   if (screwType == "m3") {
-    hexNutPocketHelper_N(m3RadiusSlacked, m3HexNutWidthAcrossCorners / 2 + 0.1, m3HexNutThickness + 0.2, openSide=openSide);
+    hexNutPocketHelper_N(m3RadiusSlacked, m3HexNutWidthAcrossCorners / 2 + 0.3, m3HexNutThickness + 0.3, openSide=openSide);
   } else if (screwType == "m4") {
     hexNutPocketHelper_N(m4RadiusSlacked, m4HexNutWidthAcrossCorners / 2 + 0.1, m4HexNutThickness + 0.2, openSide=openSide);
   } else {
diff --git a/rack/stackConnector.scad b/rack/stackConnector.scad
index b906377..80fa850 100644
--- a/rack/stackConnector.scad
+++ b/rack/stackConnector.scad
@@ -20,7 +20,7 @@ connectorBottomToScrew = 6;
 
 *stackConnectorPlug();
 
-module stackConnectorBase(rectSlack) {
+module stackConnectorBase(rectSlack, topSlack=0.0) {
 
   wSlacked = connectorRectWidth + rectSlack;
   dSlacked = connectorRectDepth + rectSlack;
@@ -47,7 +47,7 @@ module stackConnectorBase(rectSlack) {
     translate(v = [0, 0, connectorTaperStartHeight])
     connRect();
 
-    translate(v=[wSlacked/2, dSlacked/2, connectorTotalHeight])
+    translate(v=[wSlacked/2, dSlacked/2, connectorTotalHeight+topSlack])
     connTop();
   }
 }
@@ -65,8 +65,9 @@ module stackConnectorSocket_N() {
 
   screwExtension = 4;
 
+
   union() {
-    stackConnectorBase(connectorRectSocketSlack);
+    stackConnectorBase(connectorRectSocketSlack, topSlack=0.4);
 
     translate(v = [-screwExtension, connectorRectDepth/2, connectorBottomToScrew])
     rotate(a = [0, -90, 0])
diff --git a/stl/rack/print/yBar_P.stl b/stl/rack/print/yBar_P.stl
index 97cf694..9f06063 100644
Binary files a/stl/rack/print/yBar_P.stl and b/stl/rack/print/yBar_P.stl differ