From 10d17d5a826595a2d04ae4448cb6a74bb6383ea5 Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Sun, 27 Dec 2015 19:33:38 +0000
Subject: [PATCH] Lego damper with ball ends

---
 ball_amort.scad | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 ball_amort.scad

diff --git a/ball_amort.scad b/ball_amort.scad
new file mode 100644
index 0000000..f65182a
--- /dev/null
+++ b/ball_amort.scad
@@ -0,0 +1,48 @@
+$fn = 50;
+
+difference() { union() {
+
+difference() {
+  cylinder(r=4, h=4*8);
+  ball_end_n();
+  translate([0, 0, 6]) cylinder(r=3.2, h=4*8);
+  translate([-5, -0.5, 4*8-6]) cube(size=[10, 1, 3], center=false);
+}
+
+color([1, 0.5, 0.5])
+translate([0, 0, 6*8]) rotate([180, 0, 0]) {
+  difference() {
+    union() {
+      cylinder(r=3, h=3*8);
+      cylinder(r=4, h=8);
+    }
+    translate([-5, -0.7, 14-3]) cube(size=[10, 1.4, 8+3], center=false);
+    ball_end_n();
+  }
+}
+
+color([0.5, 0.5, 1])
+translate([-4, -0.5, 4*8-6]) cube(size=[8, 1, 3], center=false);
+
+}
+//translate([0, -50, -1]) cube(size=[10, 100, 50]);
+}
+
+module ball_end() {
+  difference() {
+    ball_end_p();
+    ball_end_n();
+  }
+}
+
+module ball_end_p() {
+  union() {
+    translate([0, 0, 1.7+3.2+1-4]) difference() { sphere(r=4); translate([-5, -5, -6]) cube(size=[10,10,5]); }
+    cylinder(r=4, h=2);
+  }
+}
+
+module ball_end_n() {
+  translate([0, 0, 1.7]) sphere(r=3.2);
+  translate([0, 0, -0.1]) cylinder(r=2.9, h=2);
+}