From e7dec845e7f4eb11e10dbd909cf408c9f610ef93 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Fri, 10 Feb 2017 08:31:54 +0100
Subject: [PATCH] Ring for haptic feedback of FlySky i6 radio potenciometer

---
 flysky-i6-ring.scad | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 flysky-i6-ring.scad

diff --git a/flysky-i6-ring.scad b/flysky-i6-ring.scad
new file mode 100644
index 0000000..337fbee
--- /dev/null
+++ b/flysky-i6-ring.scad
@@ -0,0 +1,30 @@
+eps = 0.01;
+infty = 100;
+
+inner_d = 11.7;
+outer_d = 16;
+body_h = 1.5;
+tip_h = 3;
+tip_w1 = 5;
+tip_w2 = 0.5;
+tip_d = outer_d/2-0.5;
+
+difference() {
+	union() {
+		cylinder(r = outer_d/2, h = body_h);
+		hull() {
+			translate([0, -tip_w1/2, 0])
+				cube([tip_d, tip_w1, body_h]);
+			translate([0, -tip_w2/2, tip_h - eps])
+				cube([tip_d, tip_w2, eps]);
+		}
+	};
+	// inner hole
+	translate([0, 0, -eps])
+		cylinder(r = inner_d/2, h = tip_h + 2*eps);
+	// rear side
+	translate([0, 0, -eps])
+		rotate([0, 0, 135])
+		cube(infty);
+}
+
-- 
2.43.0