From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 10 Dec 2021 18:32:04 +0000 (+0000)
Subject: hole-transfer-punch: wip
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=9191f0a4821e3e8cf6567b13a5de0d42b018cc2b;p=reprap-play.git

hole-transfer-punch: wip

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/hole-transfer-punch.scad b/hole-transfer-punch.scad
new file mode 100644
index 0000000..d9e4859
--- /dev/null
+++ b/hole-transfer-punch.scad
@@ -0,0 +1,32 @@
+// -*- C -*-
+
+include <utils.scad>
+
+dia = 6;
+
+point = 3;
+solid = 3;
+
+$fa= 1;
+$fs = 0.1;
+
+// calculated
+
+depth = dia * 1.5;
+
+module Blivet(){
+  rotate_extrude(){
+    polygon([[ 0,0 ],
+	     [ point, 0 ],
+	     [ point, solid ],
+	     [ 0, solid + point]]);
+  }
+  linextr(0, solid){
+    square(center=true, [ dia*3, dia ]);
+  }
+  linextr(-depth, solid){
+    circle(r= dia/2);
+  }
+}
+
+Blivet();