update

rack/connector/basePlateYBarConnectors.scad

@@ -2,6 +2,8 @@ include <../../helper/common.scad>
 include <../../config/common.scad>
 include <../sharedVariables.scad>
 
+connectorTopThickness = screwRadiusSlacked(rackFrameScrewType)+0.5;
+
 module onYBarBasePlateConnectorPositive() {
   translate(v=[0,0,yBarWallThickness])
   intersection() {
@@ -19,7 +21,7 @@ module onYBarBasePlateConnectorNegative() {
   hull() {
     // This has always been a pretty annoying to fit part. Increasing slack to 2*radiusXYSlack to compensate. TODO fix
     translate(v = [basePlateYBarSlideNutDx, basePlateYBarSlideNutDy, plateBlockBaseConnRecession+overhangSlack])
-    roundCutSlice(radius = heatSetInsertSlotRadiusSlacked(rackFrameScrewType)+2*radiusXYSlack);
+    roundCutSlice(radius = connectorTopThickness+2*radiusXYSlack);
 
     translate(v = [basePlateYBarSlideNutDx, basePlateYBarSlideNutDy, 0])
     roundCutSlice(radius = plateBlockBaseConnY/2 + 2*radiusXYSlack);
@@ -27,6 +29,40 @@ module onYBarBasePlateConnectorNegative() {
 
 }
 
+module onBasePlateToYBarConnectorPositive() {
+
+  union() {
+    translate(v=[basePlateConnPosX, basePlateConnPosY, 0])
+      yBarConnector();
+
+    translate(v=[basePlateConnPosX, basePlateConnPosY+xyPlateConnDy, 0])
+      yBarConnector();
+
+    translate(v=[basePlateConnPosX+xyPlateConnDx, basePlateConnPosY, 0])
+      rotate(a=[0,0,180])
+        yBarConnector();
+
+    translate(v=[basePlateConnPosX+xyPlateConnDx, basePlateConnPosY+xyPlateConnDy, 0])
+      rotate(a=[0,0,180])
+        yBarConnector();
+
+  }
+
+  module yBarConnector() {
+    difference() {
+      hull() {
+        translate(v=[0,0,plateBlockBaseConnRecession])
+        roundCutSlice(radius = connectorTopThickness, length=5);
+
+        roundCutSlice(radius = plateBlockBaseConnY/2, length=15);
+      }
+      mirror(v=[0,0,1])
+        counterSunkHead_N(rackFrameScrewType, headExtension = eps, screwExtension = inf10);
+
+    }
+  }
+}
+
 module roundCutSlice(radius, length=inf50) {
 
   hull() {

rack/connector/connectors.scad

@@ -52,6 +52,8 @@ module connectorPositive(on, to) {
     onYBarToXBarPositive();
   } else if (on == "yBar" && to == "basePlate") {
     onYBarBasePlateConnectorPositive();
+  } else if (on == "basePlate" && to == "yBar") {
+    onBasePlateToYBarConnectorPositive();
   } else if (on == "xBar" && to == "yBar") {
     onXBarToYBarPositive();
   } else if (on == "mainRail" && to == "yBar") {