chiark / gitweb /
scaffold-clamp: wip
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Thu, 5 Nov 2020 17:56:34 +0000 (17:56 +0000)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Thu, 5 Nov 2020 17:56:34 +0000 (17:56 +0000)
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
scaffold-clamp.scad [new file with mode: 0644]

diff --git a/scaffold-clamp.scad b/scaffold-clamp.scad
new file mode 100644 (file)
index 0000000..5d669ed
--- /dev/null
@@ -0,0 +1,25 @@
+// -*- C -*-
+
+tube_dia = 48.3;
+
+th = 6;
+
+pin_gap = 1.0; // around
+
+// calculated
+
+pin_dia = th;
+hole_dia = th + pin_gap;
+
+hinge_o_r = 0.5 * hole_dia + th;
+
+hinge_x = -0.5 * tube_dia - hinge_o_r;
+
+module Plan() {
+  union(){
+    translate([hinge_x, 0]) circle(r= hinge_o_r);
+    circle(r = tube_dia/2 + th);
+  }
+}
+
+Plan();