Improve rack-mount. Individual rack-mount systems are now organized in their own directories, with a standard entry.scad file.

rack-mount/enclosed-box/frontBoxHolder.scad

@@ -0,0 +1,40 @@
+include <../common.scad>
+include <./helper.scad>
+use <../plateBase.scad>
+
+// To be used with closed sideRails to fully encapsulate a box
+
+module frontBoxHolder(plateThickness=3, cutoutOffsetX, cutoutOffsetY, cutoutX, cutoutY, supportedZ, supportWidth, supportDepth=5, supportRailDefaultThickness, zOrientation) {
+
+  //assert(supportedZ + 2*supportThickness <= boxPlateScrewToYEdge*2 + u*uDiff);
+  //assert(supportWidth < rackMountScrewWidth); // not tight, need to include screw radii
+
+  u = findU(supportedZ, supportRailDefaultThickness);
+  supportRailBottomThickness = railBottomThickness(u, supportedZ, supportRailDefaultThickness, zOrientation);
+
+  difference() {
+    union() {
+      plateBase(U=u, plateThickness=plateThickness, screwToXEdge=boxPlateScrewToXEdge, screwToYEdge=boxPlateScrewToYEdge, screwType=mainRailScrewType, filletR=2);
+
+      // bottom support
+      translate(v=[(rackMountScrewWidth-supportWidth)/2, -boxPlateScrewToYEdge,0])
+      cube(size=[supportWidth, supportRailBottomThickness, supportDepth]);
+
+        // top support
+      translate(v=[(rackMountScrewWidth-supportWidth)/2, -boxPlateScrewToYEdge+supportRailBottomThickness+supportedZ,0])
+      cube(size=[supportWidth, supportRailDefaultThickness, supportDepth]);
+    }
+
+    union() {
+      translate(v=[cutoutOffsetX, cutoutOffsetY-boxPlateScrewToYEdge,-inf/2])
+      minkowski() {
+        r=2;
+        cylinder(r=r,h=inf);
+        translate(v=[r, r, 0])
+        cube(size = [cutoutX-2*r, cutoutY-2*r, inf]);
+      }
+
+    }
+  }
+
+}