From e3a500e9c6ede8467c5ea7a941159149875e5d8e Mon Sep 17 00:00:00 2001
From: Chris Palmer <nop.head@gmail.com>
Date: Sun, 18 Aug 2019 12:19:48 +0100
Subject: [PATCH] Added pcb_component_position().

---
 readme.md         |  3 ++-
 vitamins/pcb.scad | 16 ++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 9e49a1e..8eae811 100644
--- a/readme.md
+++ b/readme.md
@@ -1658,11 +1658,12 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | ```pcb_assembly(type, height, thickness)``` | Draw PCB assembly with spaces and fasteners in place |
 | ```pcb_base(type, height, thickness, wall = 2)``` | Generate STL for a base with PCB spacers |
 | ```pcb_component(comp, cutouts = false, angle = undef)``` | Draw pcb component from description |
+| ```pcb_component_position(type, name)``` | Position child at the specified component position |
 | ```pcb_components(type, cutouts = false, angle = undef)``` | Draw list of PCB components on the PCB |
 | ```pcb_cutouts(type, angle = undef)``` | Make cut outs to clear components on a PCB |
 | ```pcb_grid(type, x, y, z = 0)``` | Positions children at specified grid positions |
 | ```pcb_screw_positions(type)``` | Positions children at the mounting hole positions |
-| ```pcb_spacer(screw, height, wall = 1.8)``` | Generate STL for PCB spacer |
+| ```pcb_spacer(screw, height, wall = 1.8, taper = 0)``` | Generate STL for PCB spacer |
 | ```rj45(cutout = false)``` | Draw RJ45 Ethernet connector |
 | ```terminal_35(ways)``` | Draw 3.5mm terminal block |
 | ```uSD(size, cutout = false)``` | Draw uSD socket |
diff --git a/vitamins/pcb.scad b/vitamins/pcb.scad
index 5bce753..a0e4c44 100644
--- a/vitamins/pcb.scad
+++ b/vitamins/pcb.scad
@@ -667,6 +667,22 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
     }
 }
 
+module pcb_component_position(type, name) { //! Position child at the specified component position
+    for(comp = pcb_components(type)) {
+        p = pcb_coord(type, [comp.x, comp.y]);
+        if(comp[3][0] == "-") {
+            if(comp[3] == str("-", name))
+                translate([p.x, p.y])
+                    vflip()
+                        children();
+        }
+        else
+            if(comp[3] == name)
+                translate([p.x, p.y, pcb_thickness(type)])
+                    children();
+    }
+}
+
 module pcb_components(type, cutouts = false, angle = undef) { //! Draw list of PCB components on the PCB
     not_on_bom(pcb_parts_on_bom(type))
         for(comp = pcb_components(type)) {