From f916c143a4a41ea66f6e94e6c8f231be68888891 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Fri, 10 Nov 2017 15:37:20 +0100
Subject: [PATCH] generic carbon tube ending

---
 tube-end.scad | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 tube-end.scad

diff --git a/tube-end.scad b/tube-end.scad
new file mode 100644
index 0000000..2aa5382
--- /dev/null
+++ b/tube-end.scad
@@ -0,0 +1,22 @@
+infty = 100;
+eps = 0.01;
+
+tube_d = 6 + 0.7;
+hole_h = 6;
+
+wall = 1;
+
+outer_d1 = tube_d + 2*wall;
+outer_d2 = tube_d + 2*wall + hole_h * 0.7;
+top_h = outer_d2/4;
+
+difference() {
+	hull() {
+		cylinder(r1 = outer_d1/2, r2 = outer_d2/2, h = hole_h, $fn = 16);
+		translate([0, 0, hole_h]) scale([1, 1, top_h*2/outer_d2])
+			sphere(outer_d2/2, $fn = 16);
+	}
+	translate([0, 0, -eps])
+		cylinder(r = tube_d/2, h = hole_h + eps, $fn = 16);
+}
+
-- 
2.43.0