Added SMD capacitors.

readme.md

@@ -3387,6 +3387,8 @@ Surface mount components for PCBs.
 ### Properties
 | Function | Description |
 |:--- |:--- |
+| `smd_cap_end_cap(type)` | End cap width |
+| `smd_cap_size(type)` | Body length, width |
 | `smd_led_lens(type)` | Lens length width and height |
 | `smd_led_size(type)` | Body length, width and height |
 | `smd_res_end_cap(type)` | End cap width |
@@ -3403,6 +3405,7 @@ Surface mount components for PCBs.
 ### Modules
 | Module | Description |
 |:--- |:--- |
+| `smd_capacitor(type, height)` | Draw an SMD capacitor with specified height |
 | `smd_led(type, colour, cutout)` | Draw an SMD LED with specified `colour` |
 | `smd_resistor(type, value)` | Draw an SMD resistor with specified value |
 
@@ -3413,6 +3416,9 @@ Surface mount components for PCBs.
 | ---:|:--- |:---|
 |   1 | `smd_led(LED0603, green)` |  SMD LED 0603 green |
 |   1 | `smd_led(LED0805, blue)` |  SMD LED 0805 blue |
+|   1 | `smd_capacitor(CAP0603)` |  SMD capacitor 0603 |
+|   1 | `smd_capacitor(CAP0805)` |  SMD capacitor 0805 |
+|   1 | `smd_capacitor(CAP1206)` |  SMD capacitor 1206 |
 |   1 | `smd_resistor(RES0603, 1R0)` |  SMD resistor 0603 1R0 0.1W |
 |   1 | `smd_resistor(RES0805, 10M)` |  SMD resistor 0805 10M 0.125W |
 |   1 | `smd_resistor(RES1206, 100K)` |  SMD resistor 1206 100K 0.25W |

tests/SMDs.scad

@@ -28,6 +28,11 @@ module smds() {
     translate([0, 3])
         layout([for(l = smd_leds) smd_led_size(l).x], 1)
             smd_led(smd_leds[$i], ["green", "blue", "red"][$i % 3]);
+
+    translate([0, 6])
+        layout([for(c = smd_capacitors) smd_cap_size(c).x], 1)
+            let(c = smd_capacitors[$i])
+                smd_capacitor(c, smd_cap_size(c).y * 0.8);
 }
 
 if($preview)

vitamins/pcb.scad

@@ -966,6 +966,7 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
             if(show(comp, "potentiometer")) potentiometer(param(4, 5), param(5, 9));
             if(show(comp, "buzzer"))        buzzer(param(4, 9), param(5, 12), param(6, grey(20)));
             if(show(comp, "smd_res"))       smd_resistor(comp[4], comp[5]);
+            if(show(comp, "smd_cap"))       smd_capacitor(comp[4], comp[5]);
         }
     }
 }

vitamins/smd.scad

@@ -109,3 +109,23 @@ module smd_resistor(type, value) { //! Draw an SMD resistor with specified value
                 resize([(size.x - 2 * cap) * 0.75, size.y / 2])
                     text(value, halign = "center", valign = "center");
 }
+
+function smd_cap_size(type)    = type[1]; //! Body length, width
+function smd_cap_end_cap(type) = type[2]; //! End cap width
+
+module smd_capacitor(type, height) { //! Draw an SMD capacitor with specified height
+    size = smd_cap_size(type);
+    vitamin(str("smd_capacitor(", type[0], "): SMD capacitor ", smd_size(size)));
+
+    cap = smd_cap_end_cap(type);
+
+    t = 0.02;
+    color("tan")
+        translate_z(height / 2)
+            cube([size.x - 2 * cap, size.y - 2 * t, height - 2 * t], center = true);
+
+    color(silver)
+        for(end = [-1, 1])
+            translate([end * (size.x / 2 - cap / 2), 0, height / 2])
+                cube([cap, size.y - 2 * eps, height], center = true);
+}

vitamins/smds.scad

@@ -32,4 +32,10 @@ RES1206 = ["RES1206", [3.1, 1.6, 0.6],  0.5, 1/4];
 
 smd_resistors = [RES0603, RES0805, RES1206];
 
+CAP0603 = ["CAP0603", [1.6, 0.8], 0.3];
+CAP0805 = ["CAP0805", [2.0, 1.2], 0.4];
+CAP1206 = ["CAP1206", [3.1, 1.6], 0.5];
+
+smd_capacitors = [CAP0603, CAP0805, CAP1206];
+
 use <smd.scad>