ESR Meter publish

ESR Meter/esr-case.scad

@@ -1,3 +1,12 @@
+/*
+ * Created by:
+ * Thomas Buck <xythobuz@xythobuz.de> in June 2016
+ *
+ * Licensed under the Creative Commons - Attribution license.
+ */
+
+// -----------------------------------------------------------
+
 width = 67;
 height = 67.5;
 hole_nub = 5;
@@ -10,12 +19,28 @@ wall_size = 1.4;
 depth_top = 3.6;
 depth_pcb = 1.6;
 depth_bottom = 4.1;
-depth_gap = 0.4;
+depth_gap = 1.8;
 depth = depth_top + depth_pcb + depth_bottom + depth_gap;
 screw_nub_depth = depth_bottom + depth_gap;
 
+switch_width = 11.8;
+switch_height = 5.8;
+switch_hole = 2.2;
+switch_hole_dist = 15;
+switch_x = 2.5;
+switch_y = 0;
+
+cutout_width = 12;
+cutout_height = 2;
+cutout_x = 25.6;
+
+helper_disc = 5;
+helper_disc_height = 0.4;
+
 $fn = 20;
 
+// -----------------------------------------------------------
+
 module nub() {
     difference() {
         cylinder(d = hole_nub, h = screw_nub_depth);
@@ -37,6 +62,19 @@ module nubs() {
         nub();
 }
 
+module switch() {
+    translate([0, 0, switch_height / 2])
+        rotate([0, 90, 0])
+        cylinder(d = switch_hole, h = wall_size + 2);
+    translate([0, (switch_hole_dist - switch_width) / 2, 0])
+        cube([wall_size + 2, switch_width, switch_height]);
+    translate([0, switch_hole_dist, switch_height / 2])
+        rotate([0, 90, 0])
+        cylinder(d = switch_hole, h = wall_size + 2);
+}
+
+// -----------------------------------------------------------
+
 // base
 cube([width + (2 * wall_size), height + (2 * wall_size), wall_size]);
 
@@ -47,6 +85,9 @@ difference() {
     
     translate([-1, wall_size + height - hole_offset_top - hole_height + hole_nub, wall_size])
         cube([wall_size + 2, hole_nub, hole]);
+    
+    translate([-1, (switch_hole / 2) + wall_size + switch_x, wall_size + switch_y])
+        switch();
 }
 
 // bottom wall
@@ -58,8 +99,20 @@ translate([width + wall_size, 0, wall_size])
     cube([wall_size, height + (2 * wall_size), depth]);
 
 // top wall
-translate([0, height + wall_size, wall_size])
-    cube([width + (2 * wall_size), wall_size, depth]);
+difference() {
+    translate([0, height + wall_size, wall_size])
+        cube([width + (2 * wall_size), wall_size, depth]);
+    translate([wall_size + cutout_x, height + wall_size - 1, wall_size + depth - cutout_height])
+        cube([cutout_width, wall_size + 2, cutout_height + 1]);
+}
 
 translate([wall_size + (width - hole_width) / 2, wall_size + height - hole_height - hole_offset_top, wall_size])
     nubs();
+
+cylinder(d = helper_disc, h = helper_disc_height);
+translate([width + (2 * wall_size), height + (2 * wall_size), 0])
+    cylinder(d = helper_disc, h = helper_disc_height);
+translate([0, height + (2 * wall_size), 0])
+    cylinder(d = helper_disc, h = helper_disc_height);
+translate([width + (2 * wall_size), 0, 0])
+    cylinder(d = helper_disc, h = helper_disc_height);