Added function to get the height of pcb carriers.

printed/carriers.scad

@@ -24,6 +24,8 @@ $extrusion_width = 0.5;
 
 include <../utils/core/core.scad>
 
+function carrier_height() = 3; //! Height of PCB carrier
+
 module ESP12F_carrier_stl() { //! Generate the STL for an ESP12 carrier
     stl("ESP12F_carrier");
     pins = 8;
@@ -33,7 +35,7 @@ module ESP12F_carrier_stl() { //! Generate the STL for an ESP12 carrier
     hole2 = pitch2 - 3 * extrusion_width;
     length1 = (pins - 1) * pitch1 + hole + squeezed_wall * 2;
     length2 = (pins - 1) * pitch2 + hole + squeezed_wall * 2;
-    height = 3;
+    height = carrier_height();
 
     wpitch1 = (pins - 1) * pitch1;
     wpitch2 = ceil(wpitch1 / 2.54) * 2.54;
@@ -71,7 +73,7 @@ module TP4056_carrier_stl() { //! Generate the STL for an TP4056 carrier, two re
     pins = 6;
     length1 = outer_pitch + hole + squeezed_wall * 2;
     length2 = (pins - 1) * pitch + hole + squeezed_wall * 2;
-    height = 3;
+    height = carrier_height();
 
     width = hole + squeezed_wall * 2;
     spacing = inch(0.9);
@@ -106,7 +108,7 @@ module MT3608_carrier_stl() { //! Generate the STL for an MT3608 carrier, two re
     l_pitch_top = 30.855;
     l_pitch_bot = inch(1.2);
     hole = 1;
-    height = 3;
+    height = carrier_height();
     wall = 2 * extrusion_width;
     width = hole + 2 * wall;
     offset = (l_pitch_top - l_pitch_bot) / 2;

readme.md

@@ -3800,6 +3800,11 @@ Adapts ESP12 modules and various small PCBs to 0.1" grid. See <https://hydrarapt
 
 [tests/carriers.scad](tests/carriers.scad) Code for this example.
 
+### Functions
+| Function | Description |
+|:--- |:--- |
+| ```carrier_height()``` | Height of PCB carrier |
+
 ### Modules
 | Module | Description |
 |:--- |:--- |

vitamins/pcb.scad

@@ -887,10 +887,20 @@ module pcb(type) { //! Draw specified PCB
                 circle(d = 1 + eps);
     }
 
+    land = pcb_land_d(type);
+    hole = pcb_hole_d(type);
     color("silver")
         translate_z(t / 2)
             pcb_hole_positions(type)
-                tube(or =  max(pcb_land_d(type), 1) / 2, ir = pcb_hole_d(type) / 2, h = t + 2 * eps);
+                if(is_list(land))
+                    linear_extrude(height = t + 2 * eps, center = true)
+                        difference() {
+                            square(land, center = true);
+
+                            circle(d = hole);
+                        }
+                else
+                    tube(or =  max(land, 1) / 2, ir = hole / 2, h = t + 2 * eps);
 
     fr4 = pcb_colour(type) != "sienna";
     plating = 0.15;