refactor

rack/rackCaseForBox.scad

@@ -0,0 +1,171 @@
+
+/* Simple configurable rack mount component to hold a box-like shell */
+
+include <../common.scad>
+include <./screws.scad>
+
+slack = 0.4;
+
+boxWidth = 157.67;
+boxHeight = 27.0;
+boxLength = 101.5+1;
+
+topThickness = 1.0;
+bottomThickness = 1.0;
+
+faceThickness = 3.0;
+sideThickness = 2.0;
+sideSupportWidth = 10;
+
+railWidth = 16.0;
+
+totalHeight = boxHeight+topThickness+bottomThickness;
+totalLength = boxLength+2*sideThickness;
+
+
+railMountWidthDiff = (200.0 - (boxWidth + 2*sideThickness)) / 2.0;
+
+totalMountLength = 200.0 + 2*faceThickness + 1;
+  
+module sideHolder() {
+
+
+  module frontLowerCaseSegment() {
+    translate(v=[0,0,0])
+      cube(size=[sideSupportWidth, faceThickness, bottomThickness]);
+  }
+
+  module frontUpperCaseSegment() {
+    // no room for slack? :(
+    translate(v=[0,0,boxHeight+bottomThickness])
+      cube(size=[sideSupportWidth, faceThickness, topThickness]);
+  }
+
+  module backLowerCaseSegment() {
+      translate(v=[0,boxLength+slack+sideThickness,0])
+        frontLowerCaseSegment();
+  }
+
+  module backUpperCaseSegment() {
+      translate(v=[0,boxLength+slack+sideThickness,0])
+        frontUpperCaseSegment();
+  }
+
+  module backLowerRailSegment() {
+    translate(v=[0,200.0+1,0])
+      cube(size=[sideSupportWidth, faceThickness, bottomThickness]);
+  }
+
+  
+  module backUpperRailSegment() {
+    translate(v=[0,200.0+1,boxHeight+bottomThickness])
+      cube(size=[sideSupportWidth, faceThickness, topThickness]);
+  }
+
+  module frontRailMountSegment() {
+    // +2 is slack
+    translate(v=[-railMountWidthDiff+5,0,0])
+      // should technically use different totalHeight, as current totalHeight is for case holder
+      cube(size=[railWidth,faceThickness,totalHeight]);
+  }
+
+  module backRailMountSegment() {
+    translate(v=[0,200+1,0])
+      // should technically use different totalHeight, as current totalHeight is for case holder
+      frontRailMountSegment();
+  }
+
+
+  module frontFace() {
+    difference() {
+      hull() {
+        frontLowerCaseSegment();
+        frontUpperCaseSegment();
+        frontRailMountSegment();
+      }
+
+      // screw holes
+      translate(v=[-railMountWidthDiff + 11.5,0,5])
+        rotate(a=[90,0,0])
+        cylinder(r=m4RadiusSlacked, h=10, center=true);
+
+      translate(v=[-railMountWidthDiff + 11.5,0,25])
+        rotate(a=[90,0,0])
+        cylinder(r=m4RadiusSlacked, h=10, center=true);
+    }
+    
+  }
+
+  module backFace() {
+    translate(v=[0,200.0+faceThickness+1,0])
+      frontFace();
+      
+  }
+
+  frontFace();
+  backFace();
+
+  
+
+  hull() {
+    frontLowerCaseSegment();
+    backLowerCaseSegment();
+  }
+
+  hull() {
+    backLowerCaseSegment();
+    backUpperCaseSegment();
+  }
+
+  hull() {
+    frontUpperCaseSegment();
+    backUpperCaseSegment();
+  }
+
+
+  hull() {
+    backLowerRailSegment();
+    backLowerCaseSegment();
+  }
+
+  hull() {
+    backUpperRailSegment();
+    backUpperCaseSegment();
+  }
+
+  // side support/hold for case
+  difference() {
+    cube(size=[sideThickness, totalLength, totalHeight]);
+
+    translate(v=[-eps/2,8,5])
+      cube(size=[sideThickness+eps,totalLength-17.5+eps, totalHeight-10+eps]);
+  }
+
+
+  // side support/hold for case
+  difference() {
+    translate(v=[sideSupportWidth-sideThickness,totalLength,0])
+    cube(size=[sideThickness, totalMountLength-totalLength, totalHeight]);
+
+    translate(v=[sideSupportWidth-sideThickness-eps/2,(200-totalLength)+20,5])
+      cube(size=[sideThickness+eps,(200-totalLength)-10+eps, totalHeight-10+eps]);
+  }
+}
+
+
+module sideHolderAligned() {
+  //translate(v=[19,0,0])
+    sideHolder();
+}
+
+module mSide() {
+  mirror(v=[1,0,0]) {
+    sideHolderAligned();
+  }
+}
+
+sideHolderAligned();
+
+//translate(v=[42 + boxWidth,0,0])
+//mSide();
+