add xyPlate

rack/xyPlate.scad

@@ -0,0 +1,73 @@
+include <./yBar.scad>
+include <./xBar.scad>
+
+xyPlate();
+
+module xyPlate() {
+
+  applyYBarConnectors()
+  plateBody();
+
+  module plateBody() {
+    slack = 0.5;
+    plateBodyX = xBarX - slack;
+    plateBodyY = (yBarDepth - 2*xBarY) - slack;
+    plateBodyH = xBarWallThickness;
+
+    translate(v=[slack/2, slack/2, 0])
+    cube(size=[plateBodyX, plateBodyY, plateBodyH]);
+  }
+
+  module applyYBarConnectors() {
+    slack = 0.3;
+    // TODO rename _heatSetX to something more indicative of yBarBasePlateConnector
+    connDx = xBarX + 2*_heatSetX; // X distance between connectors
+    connDy = yBarDepth - 2*basePlateScrewMountToYBarXZFace; // Y distance between connectors
+
+    connYBarCornerDx = yBarWidth; // distance from a plate body corner and the nearest yBar corner
+    connYBarCornerDy = xBarY; // distance from a plate body corner and the nearest yBar corner
+
+    connPosX = basePlateScrewMountToYBarYZFace - connYBarCornerDx; // distance between plateBody corner at (0,0,0) and the related corner
+    connPosY = basePlateScrewMountToYBarXZFace - connYBarCornerDy;
+
+
+    apply_p() {
+      union() {
+        translate(v=[connPosX, connPosY, 0])
+        yBarConnector();
+
+        translate(v=[connPosX, connPosY+connDy, 0])
+        yBarConnector();
+
+        translate(v=[connPosX+connDx, connPosY, 0])
+        rotate(a=[0,0,180])
+        yBarConnector();
+
+        translate(v=[connPosX+connDx, connPosY+connDy, 0])
+        rotate(a=[0,0,180])
+        yBarConnector();
+
+      }
+
+      children(0);
+    }
+
+    module yBarConnector() {
+      difference() {
+        hull() {
+          cylinder(r = _baseConnY/2 - slack/2, h = _baseConnRecession);
+
+          translate(v = [1-connPosX, -_baseConnY/2, 0])
+          cube(size = [eps, _baseConnY-slack, _baseConnRecession]);
+
+          translate(v = [5-connPosX, -_baseConnY/2, 0])
+          cube(size = [eps, _baseConnY-slack, eps]);
+        }
+
+        cylinder(r=screwRadiusSlacked(rackFrameScrewType), h=inf, center=true);
+
+      }
+    }
+
+  }
+}