From a9cd310229324aa199643860c18958eaf6b8af0c Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Sun, 15 Oct 2023 09:39:23 +0200
Subject: nun etwas runder

---
 Kaffeekurbelgriff.scad | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Kaffeekurbelgriff.scad b/Kaffeekurbelgriff.scad
index 5305c6f..0fc184b 100644
--- a/Kaffeekurbelgriff.scad
+++ b/Kaffeekurbelgriff.scad
@@ -4,12 +4,23 @@ Kopfhoehe = 8;
 h = 30;
 dUnten = 17;
 dOben = 29.5;
-$fn = 100;
+$fn = 300;
+rKante = 10;
 
 Schraubenkopfdiagonale = Schluesselweite / cos(30);
 
 difference() {
-  cylinder(h = h, r1 = dUnten/2, r2 = dOben/2);
+//  cylinder(h = h, r1 = dUnten/2, r2 = dOben/2);
+  rotate_extrude() {
+    polygon([
+      [0, 0],
+      for (hh = [0: 0.01: 1])
+        [dUnten/2 + (1-cos(hh*180))/2*(dOben-dUnten)/2, hh * (h-rKante)],
+      for (alpha = [0: 90])
+        [dOben/2 + (cos(alpha)-1)*rKante, h + (sin(alpha)-1)*rKante],
+      [0, h]
+    ]);
+  };
   translate([0,0,-1])
     cylinder(h = h+2, r = dSchraube/2);
   translate([0,0,h - Kopfhoehe])
-- 
cgit v1.2.3-70-g09d2