From 39e669e8f69bb05856bd985179a61b61bb618225 Mon Sep 17 00:00:00 2001
From: djerun <djerun@hamburg.ccc.de>
Date: Sun, 15 Jun 2025 17:20:49 +0200
Subject: [PATCH] [WIP] catear headband variant with esp mount

---
 catear_headband_esp_18mm.scad | 70 +++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 catear_headband_esp_18mm.scad

diff --git a/catear_headband_esp_18mm.scad b/catear_headband_esp_18mm.scad
new file mode 100644
index 0000000..48c903c
--- /dev/null
+++ b/catear_headband_esp_18mm.scad
@@ -0,0 +1,70 @@
+include <globals.scad>;
+
+use <headband.scad>;
+use <chamfer.scad>;
+use <catear_headband.scad>;
+
+HEIGHT=18;
+
+module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.5, ear_bend_factor=0.15, ear_stretch_factor=1.2, ear_angle=42, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE, with_rake=true, details=true) {
+
+  $a=size/2*ear_scale;
+  $delta=2*(acos($a/(size*2))-90);
+  ear_offset=size*sin(90-$delta/2);
+
+  union() {
+    rotate( ear_angle, [0, 0, 1]) {
+      translate([-ear_offset, 0, 0]) catear_v1(
+        debug=debug,
+        height=height,
+        thickness=thickness,
+        side_len=size/2*ear_scale,
+        bend_factor=ear_bend_factor,
+        stretch_factor=ear_stretch_factor,
+        chamfer=chamfer,
+        chamfer_shape=chamfer_shape,
+        details=details
+      );
+    }
+    rotate(-ear_angle, [0, 0, 1]) {
+      translate([-ear_offset, 0, 0]) catear_v1(
+        debug=false,
+        height=height,
+        thickness=thickness,
+        side_len=size/2*ear_scale,
+        bend_factor=ear_bend_factor,
+        stretch_factor=ear_stretch_factor,
+        chamfer=chamfer,
+        chamfer_shape=chamfer_shape,
+        details=details
+      );
+    }
+    headband(
+      size=size,
+      height=height,
+      thickness=thickness,
+      part=part,
+      stretch_len=stretch_len,
+      tip_len=tip_len,
+      tip_bend=tip_bend,
+      with_rake=with_rake,
+      details=false
+    );
+  };
+}
+
+difference() {
+  translate([0, 0, HEIGHT/2])
+    catear_headband(chamfer=0, with_rake=false);
+  translate([0, 0, 6]) {
+    cube([100, 100, HEIGHT]);
+    rotate(90) cube([100, 100, HEIGHT]);
+    rotate(180) cube([100, 100, HEIGHT]);
+    translate([0, -60, HEIGHT/2]) rotate(35) cube([70, 70, HEIGHT], center=true);
+    rotate(-90+180*PART, [0, 0, 1])
+      translate([0, -SIZE, HEIGHT-6])
+        color("orange")
+          rotate([90, 0, 0])
+            cylinder(r=HEIGHT-6, h=2*THICKNESS, center=true);
+  } 
+}