From cf3f6e6f275d604efbee9890b4138e1457250931 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 22 Jul 2016 15:59:54 +0100
Subject: [PATCH] trackpump-mutlihead-clip: introduce baseplate

---
 trackpump-mutlihead-clip.scad | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/trackpump-mutlihead-clip.scad b/trackpump-mutlihead-clip.scad
index 18b6133..da7e259 100644
--- a/trackpump-mutlihead-clip.scad
+++ b/trackpump-mutlihead-clip.scad
@@ -4,30 +4,36 @@ pump_main_dia = 38;
 pump_side_width = 5;
 pump_side_thick = 5;
 pump_shaft_dia = 14;
+baseplate = 4;
 
 // need reconfirm:
 pump_side_height = 20;
 
 // calculated
 
+
 pump_side_outer_rad = pump_side_width + pump_main_dia/2;
 
 module PumpSidePlan() {
+  xm = baseplate + pump_main_dia/2;
   or = pump_side_outer_rad;
   difference(){
     union(){
-      translate([-or, 0]) circle(r=or);
-      translate([-or, -or]) square([or, or*2]);
+      intersection(){
+	translate([-xm, 0]) circle(r=or);
+	translate([-(xm+or), -or]) square([xm+or, or*2]);
+      }
+      translate([-xm, -or]) square([xm, or*2]);
     }
-    translate([-or, 0]) circle(r=pump_main_dia/2);
-    translate([-or*2, 0])
+    translate([-xm, 0]) circle(r=pump_main_dia/2);
+    translate([-xm*2, 0])
       square(center=true, [pump_side_width*3, pump_shaft_dia]);
   }
 }
 
 module PumpSideElevation(){
   x3 = 0;
-  x2 = x3 - pump_side_width;
+  x2 = x3 - baseplate;
   x1 = x2 - pump_main_dia;
   x0 = x1 - pump_side_width;
   z0 = 0;
-- 
2.30.2