update project structure

resource/sbc/rockpro/dual-tray.scad

@@ -0,0 +1,125 @@
+include <../rack-tray/rack-tray.scad>
+include <../common.scad>
+include <../rack/screws.scad>
+include <./rockpro.scad>
+
+vU = 3;
+uHeight = 10;
+
+plateScrewDiffV = uHeight*vU;
+plateScrewDiffH = 180;
+
+plateScrewToHEdge = 4.5;
+plateScrewToVEdge = 5.5;
+
+frontPlateThickness = 2;
+
+frontPlateV = plateScrewDiffV + 2*plateScrewToHEdge;
+frontPlateH = plateScrewDiffH + 2*plateScrewToVEdge;
+
+
+plateScrewToBoxMin = 6;
+
+module _frontPlateBody() {
+    translate(v=[-plateScrewToVEdge,0,-plateScrewToHEdge])
+        cube(size=[frontPlateH,frontPlateThickness,frontPlateV]);
+}
+
+module _plateHole() {
+    rotate(a=[90,0,0])
+        cylinder(r=m4RadiusSlacked, h=inf, center=true);
+}
+
+
+module frontPlate() {
+
+    difference() {
+        _frontPlateBody();
+
+        union() {
+            // TODO: introduce helper modules for this pattern
+            _plateHole();
+
+            translate(v=[plateScrewDiffH,0,0])
+                _plateHole();
+
+            translate(v=[0,0,plateScrewDiffV])
+                _plateHole();
+
+            translate(v=[plateScrewDiffH,0,plateScrewDiffV])
+                _plateHole();
+        }
+    }
+}
+
+difference() {
+    frontPlate();
+    union() {
+        translate(v = [13, 0, - 10])
+            cube(size = [300, 100, 100]);
+
+        translate(v=[6,0,-2])
+            cube(size=[5.5,5.5,5.5]);
+
+        translate(v=[6,0,20-2])
+            cube(size=[5.5,5.5,5.5]);
+    }
+}
+
+
+
+// todo use library constants
+// TODO these risers are prone to snapping off
+module screwRiser(height) {
+    difference() {
+        cylinder(d=5, h=height, $fn=64);
+        cylinder(d=2.88, h=height, $fn=64);
+    }
+}
+
+module mountPoints_N(cylHeight, cylRad1, cylRad2, cylFn, center) {
+    for (i=[0:3]) {
+        p = mountPoints[i];
+        translate(v=[p[0], p[1], p[2]])
+            cylinder(r1=cylRad1, r2=cylRad2, h=cylHeight, $fn=cylFn, center=center);
+    }
+}
+
+module rockProScrewMounts() {
+    for (i=[0:3]) {
+        p = mountPoints[i];
+        translate(v=[p[0], p[1], p[2]])
+            screwRiser(5);
+    }
+}
+
+
+module rockProDualTray() {
+
+
+    trayBody();
+    translate(v=[9,8,trayBottomThickness])
+        rockProScrewMounts();
+
+    translate(v=[9 + pcbDimensions[0],8,trayBottomThickness])
+        rockProScrewMounts();
+
+}
+
+*difference() {
+    rockProDualTray();
+    // file specific bottom holes
+    union() {
+        translate(v = [10, 15, 0])
+            minkowski() {
+                cube(size = [69, 100, 5]);
+                cylinder(r = 1);
+            }
+
+        translate(v=[88,15,0])
+            minkowski() {
+                cube(size = [69, 100, 5]);
+                cylinder(r=1);
+            }
+    }
+}