From 2f358075e687fec168f71a2f7e178e1e023b961f Mon Sep 17 00:00:00 2001
From: ede1998 <online@erik-hennig.me>
Date: Sat, 29 Aug 2026 21:53:45 +0200
Subject: [PATCH] model nfc reader

---
 model/common.scad | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/model/common.scad b/model/common.scad
index 32802a4..415da32 100644
--- a/model/common.scad
+++ b/model/common.scad
@@ -163,3 +163,39 @@ module micro_controller(battery_holder = false, battery = false) {
     }
   }
 }
+
+module nfc(pin_header = true) {
+  length = 43;
+  width = 40.5;
+  height = 4;
+
+  pin_protrusion = 2.2;
+
+  hole_diameter = 3;
+  hole_inset = 6;
+
+  x_span = length - (2 * hole_inset) - hole_diameter;
+  y_span = width - (2 * hole_inset) - hole_diameter;
+
+  color("red")
+    difference() {
+      cuboid([length, width, height], rounding=2, edges="Z") {
+        // pin header is lower than highest other component -> in the cube.
+        if (pin_header)
+          right(6 - pin_protrusion) // ugly: 6mm is the pin height
+            position(LEFT + TOP)
+              yrot(-90)
+                pin_header(7, spin=90, anchor=FRONT + TOP);
+      }
+
+      move_copies(
+        [
+          [x_span / 2, -y_span / 2], // Bottom-Left corner
+          [-x_span / 2, y_span / 2], // Top-Right corner
+        ]
+      ) {
+        zcyl(d=hole_diameter, h=height + EPS);
+      }
+    }
+}
+