From a97adc2aeadaba370aea247c852794de6260522b Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Thu, 19 Nov 2015 21:49:11 +0000
Subject: [PATCH] Tune axle hole sizes in air_tank_mount

---
 air_tank_mount.scad | 22 +++++++++++-----------
 torsen.scad         |  4 ++--
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/air_tank_mount.scad b/air_tank_mount.scad
index 3627a46..af55350 100644
--- a/air_tank_mount.scad
+++ b/air_tank_mount.scad
@@ -1,9 +1,6 @@
 $fn = 100;
 
 bottle_dia = 45;
-axleradius = 2.4;
-axlemesh = 1.85;
-axleround = 0;
 
 air_tank_mount_v2();
 
@@ -34,18 +31,21 @@ module air_tank_mount_v2() {
     difference() {
         translate([-sz/2, -sz/2, 0]) cube([sz, sz, 8]);
         translate([0, 0, -1]) cylinder(r=bottle_dia/2, h=72);
-        translate([-sz/2+4, -sz/2+4, 4]) axle();
-        translate([-sz/2+4, sz/2-4, 4]) axle();
-        translate([sz/2-4, -sz/2+4, 4]) axle();
-        translate([sz/2-4, sz/2-4, 4]) axle();
+        translate([-sz/2+4, -sz/2+4, 4]) axleround(axleradius=2.6, axlemesh=2);
+        translate([-sz/2+4, sz/2-4, 4]) axleround(axleradius=2.6, axlemesh=2);
+        translate([sz/2-4, -sz/2+4, 4]) axleround(axleradius=2.6, axlemesh=2);
+        translate([sz/2-4, sz/2-4, 4]) axleround(axleradius=2.6, axlemesh=2);
 //        translate([-25, -25, 4]) cube([50, 50, 8]);
     }
 }
 
-module axle(h = 24) {
-    union() {
-        cube([axleradius*2-axleround*2, axlemesh-axleround*2, h], center=true);
-        cube([axlemesh-axleround*2, axleradius*2-axleround*2, h], center=true);
+module axleround(h = 24, axleradius = 2.4, axlemesh = 1.85) {
+    translate([0, 0, -h/2]) difference() {
+        cylinder($fn=16, r=axleradius, h=h);
+        translate([axlemesh/2, axlemesh/2, -1]) cube([axleradius, axleradius, h+2]);
+        translate([axlemesh/2, -axlemesh/2-axleradius, -1]) cube([axleradius, axleradius, h+2]);
+        translate([-axlemesh/2-axleradius, axlemesh/2, -1]) cube([axleradius, axleradius, h+2]);
+        translate([-axlemesh/2-axleradius, -axlemesh/2-axleradius, -1]) cube([axleradius, axleradius, h+2]);
     }
 }
 
diff --git a/torsen.scad b/torsen.scad
index 3c34022..ee63fa7 100644
--- a/torsen.scad
+++ b/torsen.scad
@@ -26,7 +26,7 @@ module torsen_diff_36t() {
                 translate([-3.6, 8-3.6, 0]) cube([0.8, 3.6*2, 3.6*2], center=true);
                 translate([3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
                 translate([3.6, 8-3.6, 0]) cube([0.8, 3.6*2, 3.6*2], center=true);
-                translate([0, 8, 0]) rotate([90, 0, 90]) axleround(h=16, axlemesh=1.75);
+                translate([0, 8, 0]) rotate([90, 0, 90]) axleround(h=16, axlemesh=1.7);
             }
         }
         translate([0, 0, -8]) difference() {
@@ -37,7 +37,7 @@ module torsen_diff_36t() {
                 translate([-3.6, 8-3.6, 0]) cube([0.8, 3.6*2, 3.6*2], center=true);
                 translate([3.6, 8, 0]) rotate([90, 0, 90]) cylinder(r=3.6, h=0.8, center=true);
                 translate([3.6, 8-3.6, 0]) cube([0.8, 3.6*2, 3.6*2], center=true);
-                translate([0, 8, 0]) rotate([90, 0, 90]) axleround(h=16, axlemesh=1.75);
+                translate([0, 8, 0]) rotate([90, 0, 90]) axleround(h=16, axlemesh=1.7);
             }
         }
     }