From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 24 Jul 2016 15:36:31 +0000 (+0100)
Subject: trackpump-mutlihead-clip: smaller baseplate
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=f8e2613484630fee1d53bb968376559f13edb3a5

trackpump-mutlihead-clip: smaller baseplate
---

diff --git a/trackpump-mutlihead-clip.scad b/trackpump-mutlihead-clip.scad
index 4d7ec02..5426698 100644
--- a/trackpump-mutlihead-clip.scad
+++ b/trackpump-mutlihead-clip.scad
@@ -24,18 +24,23 @@ pump_protr_slheight = pump_protr_protr / pump_protr_slope;
 
 pump_side_outer_rad = pump_side_width + pump_main_dia/2;
 
+baseplate_width_rad =
+  sqrt( pow(pump_side_outer_rad, 2)
+	-pow( pump_main_dia/2 - pump_protr_protr, 2) );
+
 $fa=5;
 
 module PumpSidePlan() {
   xm = baseplate + pump_main_dia/2;
   or = pump_side_outer_rad;
+  br = baseplate_width_rad;
   difference(){
     union(){
       intersection(){
 	translate([-xm, 0]) circle(r=or);
 	translate([-(xm+or), -or]) square([xm+or, or*2]);
       }
-      translate([-xm, -or]) square([xm, or*2]);
+      translate([-xm, -br]) square([xm, br*2]);
     }
     translate([-xm-or, 0])
       square(center=true, [pump_side_width*4, pump_shaft_dia]);