From ce3aa19da3edbc09b7721d7de75fdf3a932d8e80 Mon Sep 17 00:00:00 2001
From: Jonathan Bernard <jonathan@jdbernard.com>
Date: Mon, 19 May 2025 17:39:56 -0500
Subject: [PATCH] Model tweaks for Axis & Allies, add unit-chip model.

---
 .../fighter-germany-messerschmitt.scad        |  2 +-
 .../fighter-japan-mitsubishi-zero.scad        |  4 +-
 .../axis-and-allies/fighter-russia-yak-9.scad |  3 +-
 board-games/axis-and-allies/unit-chip.scad    | 60 +++++++++++++++++++
 4 files changed, 65 insertions(+), 4 deletions(-)
 create mode 100644 board-games/axis-and-allies/unit-chip.scad

diff --git a/board-games/axis-and-allies/fighter-germany-messerschmitt.scad b/board-games/axis-and-allies/fighter-germany-messerschmitt.scad
index cd26d16..843daa5 100644
--- a/board-games/axis-and-allies/fighter-germany-messerschmitt.scad
+++ b/board-games/axis-and-allies/fighter-germany-messerschmitt.scad
@@ -74,4 +74,4 @@ module messerschmitt() {
   }
 }
 
-messerschmidt();
+messerschmitt();
diff --git a/board-games/axis-and-allies/fighter-japan-mitsubishi-zero.scad b/board-games/axis-and-allies/fighter-japan-mitsubishi-zero.scad
index f1294bc..5e51b54 100644
--- a/board-games/axis-and-allies/fighter-japan-mitsubishi-zero.scad
+++ b/board-games/axis-and-allies/fighter-japan-mitsubishi-zero.scad
@@ -1,4 +1,4 @@
-//$fn=50;
+$fn=50;
 ep=0.1;
 
 // Create a module so you can call it like a normal OpenSCAD function, like
@@ -54,4 +54,4 @@ module fighterZero() {
   }
 }
 
-//fighterZero();
+fighterZero();
diff --git a/board-games/axis-and-allies/fighter-russia-yak-9.scad b/board-games/axis-and-allies/fighter-russia-yak-9.scad
index 6017fc5..84dd876 100644
--- a/board-games/axis-and-allies/fighter-russia-yak-9.scad
+++ b/board-games/axis-and-allies/fighter-russia-yak-9.scad
@@ -1,4 +1,5 @@
-$fn=120;
+//$fn=120;
+$fn=16;
 ep=0.1;
 
 module reference() {
diff --git a/board-games/axis-and-allies/unit-chip.scad b/board-games/axis-and-allies/unit-chip.scad
new file mode 100644
index 0000000..2439afc
--- /dev/null
+++ b/board-games/axis-and-allies/unit-chip.scad
@@ -0,0 +1,60 @@
+$fn = 256;
+od = 21.5;
+id = 15;
+h = 2;
+ep = 0.01;
+recess = 0.8;
+
+tiltAngle = 60;
+
+
+difference() {
+  union() {
+    translate([0, 0, (sin(tiltAngle) * od) / 2]) rotate([0, tiltAngle, 0]) union() {
+      difference() {
+        union() {
+          cylinder(d=od, h=h - recess + ep);
+          // Top protrustion
+          translate([0, 0, h - recess]) cylinder(d1=id + recess*2 + 0.2, d2=id, h=recess);
+          //translate([0, 0, h - recess]) cylinder(d=id, h=recess);
+        }
+
+        // Bottom cut
+        color("red") translate([0, 0, -ep])
+          cylinder(d1=id + recess*2 + 0.4, d2=id + 0.4, h=recess);
+          //cylinder(d=id + 0.8, h=recess);
+      }
+    }
+
+    difference() {
+      translate([-(cos(tiltAngle) * (id - 2)) / 2 + 0.25, -0.4, 0])
+        cube([cos(tiltAngle) * (id - 2), 0.8, sin(tiltAngle) * od]);
+
+      color("blue") union() {
+        translate([0, 0, (sin(tiltAngle) * od) / 2])
+        rotate([0, tiltAngle, 0])
+        translate([-sin(tiltAngle) * od, -0.5, recess - 0.2])
+        cube([2 * od, 1, od]);
+
+      }
+    }
+
+    translate([0.6, 0, (sin(tiltAngle) * od) / 2 - 1]) rotate([0, tiltAngle, 0])
+    union() {
+      difference() {
+        color("pink") cylinder(d=od, h=h - recess + ep);
+
+        color("blue") translate([-1, 0, -ep])
+        union() {
+         cylinder(d=od, h=h - recess + 3*ep);
+         //translate([-2, (od + 2*ep) / 2, -ep])
+         translate([-(od / 2) - 2, -(od + 2*ep) / 2, -ep])
+         cube([od, od + 4*ep, h]);
+        }
+      }
+    }
+
+  }
+
+  translate([-od, -od/2, -2]) cube([2 * od, od, 2]);
+}