scad bottom plate wip

case/cheapino-bottom.scad

@@ -0,0 +1,108 @@
+use <hotswap.scad>
+
+height = 95.1738;
+width = 132.6134;
+step = 0.05;
+$fn=30;
+
+// hotswap socket is ~1.75 high at the highest.
+// magsafe ring is 0.4 high
+// 2.5 will leave 0.35 at the thinnest(between hotswap and magsafe).
+
+height = 2.5;
+$fn=30;
+
+
+// bottom plate
+module bottom()
+{
+color("pink")
+translate([0,0,0])
+  linear_extrude(height)
+    offset( delta=0)  
+       base();
+}      
+
+module base()
+{
+	import ("plate.svg", center=true);
+}
+
+module board()
+{
+linear_extrude(1)
+rotate([0,180,0])
+import("cheapino-brd.svg", center=true);
+}
+
+//import("plate_and_holes.svg", center=true);
+
+
+//difference()
+//{
+//  bottom();
+//v  translate([13,11,-0.4])
+ // magsafe_ring();
+ 
+// The exported board from KiCad, for debug
+translate([0,0,0])
+ board();
+
+// Columns starting from MCU
+translate([19.3,-2.84,0])  
+column();
+
+translate([0.3,-0.3,0])  
+column();
+
+translate([-18.7,6.05,0])  
+column();
+
+translate([-37.7,-0.3,0])  
+column();
+
+translate([-56.7,-10.308,0])  
+column();
+
+// Thumb cluster
+translate([14.6264,-24.52])  
+switch();
+
+rotate([0,0,-10])
+translate([40.3,-19.3])  
+switch();
+
+rotate([0,0,-23])
+translate([65.65,-7.09])  
+switch();
+ 
+// The diodes
+translate([-18, 10.21, 0]) diode();
+translate([-28.59, 10.21, 0]) diode();
+translate([-26.23, 29.18, 0]) diode();
+translate([-9.463,21.97,0]) diode();
+translate([0.8, 21.97, 0]) diode();
+translate([14.106, 19.872, 0]) diode();
+translate([16.138,1.066,0]) diode();
+translate([5.888,-19.128,0]) diode();
+translate([-5.018, 2.971, 0]) diode();
+translate([-18,10.21,0]) diode();
+
+/*
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+translate([-18,10.21,0]) diode();
+ */
+//} 
+// circle(55.3);

case/cheapino-top.scad

@@ -0,0 +1,81 @@
+height = 95.1738;
+width = 132.6134;
+step = 0.05;
+$fn=30;
+
+height_translation = 0;
+
+
+
+// Height of case is 5mm from pcb to switch inset,
+// plus 1.6mm pcb height, for a total of 6.6mm
+color("red")
+for (i = [0.2:step:2.5])
+{
+    translate([0,0,i]) //height_translation])
+        base_line_extruded(i, 1);
+}
+
+color("green")
+translate([0,0,2.5]) //height_translation])
+  base_line_extruded(2.5, 1.6);
+
+
+color("blue")
+for (i = [4.1:step:6.6])
+{
+    translate([0,0,i-1]) //height_translation])
+        base_line_extruded(6.6-i, 1);
+}
+
+// Lip to stop pcb
+color("yellow")
+translate([0,0,1.6])
+  difference()
+  {
+    offset( delta=1)
+            base();
+    offset( delta=-1)
+            base();
+  }
+
+ 
+// Top plate
+color("pink")
+translate([0,0,5.1])
+  linear_extrude(1.5)
+offset( delta=0.5)  
+       base();
+       
+
+
+module base_line_extruded (factor, extrusion)
+{
+    linear_extrude(extrusion)
+            base_line(factor);
+}
+
+module base_extended (factor, extrusion)
+{
+    linear_extrude(extrusion)
+        offset( delta=factor)
+            base();
+}
+
+module base()
+{
+	import ("plate.svg", center=true);
+}
+
+
+module base_line(expanded)
+{
+  difference()
+  {
+    offset( delta=expanded+1)
+            base();
+    offset( delta=expanded)
+            base();
+  }
+}
+

case/hotswap.scad

@@ -0,0 +1,93 @@
+//$fn=50;
+
+module hotswap_mx() {
+thickness=1.85;
+
+// Holes
+translate([3.175,2.2,0])
+linear_extrude(height=3.05)
+    circle(d=3);
+
+translate([-3.175,-0.36,0])
+linear_extrude(height=3.05)
+    circle(d=3);
+    
+// Body
+linear_extrude(height=thickness)
+square([11.1,4.2], center=true); 
+
+translate([0,1.9,0])
+linear_extrude(height=thickness)
+square([5.65, 2.09]); 
+
+// Metal soldering parts
+translate([5.45,1.04,0])
+linear_extrude(height=thickness)
+square([2.5, 2.55]); 
+
+translate([-7.95,-1.7,0])
+linear_extrude(height=thickness)
+square([2.5, 2.55]); 
+}
+
+module column() {
+switch();
+
+translate([0, 19, 0]) switch();
+
+translate([0, 38, 0]) switch();
+}
+ 
+module switch() {
+  // hotswap socket
+  color("yellow")
+  translate([0,0,1.85])
+  rotate([180,0,0])
+    hotswap_mx();
+ 
+  // main pin of switch
+  // 4mm d, 2.8mm high, 1.6mm pcb 
+  // means 1.2 of it sticks below, 1.3 for margin 
+  color("teal")
+  translate([-0.57, -4.7, 0])
+  linear_extrude(height=1.3)
+  circle(d=4.2);
+  
+  // The two switch alignment pins
+  // Could not find specs for these, assuming max 3.3=1.7 below
+  color("brown")
+  translate([-5.74, -4.7, 0])
+  linear_extrude(height=1.7)
+  circle(d=1.8);
+ 
+  color("brown")
+  translate([4.45, -4.7, 0])
+  linear_extrude(height=1.7)
+  circle(d=1.8);
+  
+}
+
+module diode() {
+color("blue")
+linear_extrude(height=1.65)
+square([9.5, 1.6]);
+}
+
+module magsafe_ring()
+{
+linear_extrude(height=0.5)
+difference() {
+    circle(d=55.3);
+    circle(d=50.2);
+  }
+}
+
+
+
+/*
+hotswap_mx();
+
+color("green")
+translate([0,0,0]) 
+ import("hotswap.stl");
+ */