From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 13 Feb 2016 23:14:51 +0000 (+0000)
Subject: bike-lipo-box: straps for lipo battery assembly
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=0645ea4627d392af97c96ad15e1e1d2832eb4c73;hp=b0a1afde85d50c12b775e560cefe72662b1cbe05

bike-lipo-box: straps for lipo battery assembly
---

diff --git a/bike-lipo-box.scad b/bike-lipo-box.scad
index de982d9..c7fc125 100644
--- a/bike-lipo-box.scad
+++ b/bike-lipo-box.scad
@@ -22,6 +22,12 @@ totz_outer = 31;
 
 wallthick = 2.5;
 
+strap_w = 5;
+strap_th = 4;
+strap_pillar = 3;
+strap_pillard = 5;
+strap_over = 2;
+
 // calculated
 
 totx_outer = totx_inner + wallthick*2;
@@ -138,6 +144,8 @@ module Box(){ ////toplevel
   switch_x = chargingconn_x + pxp6012_rad_outer
     + s1930_y_outer/2 + s1930_around;
 
+  strap_x_tot = strap_w + strap_pillar*2;
+
   difference(){
     union(){
       rotate([90,0,0])
@@ -147,6 +155,19 @@ module Box(){ ////toplevel
       translate([switch_x, toty_inner, totz_inner/2])
 	rotate([90,0,90])
 	S1930_Positive();
+
+      // straps for lipo
+      for (sx= [ 45, 80, 110 ]) {
+	for (sy= [ 10, 40 ]) {
+	  translate([sx - strap_x_tot, sy, 0])
+	  difference(){
+	    translate([0,0, -0.1])
+	      cube([strap_x_tot, strap_pillard, strap_th + strap_over]);
+	    translate([strap_pillar, -1, 0])
+	      cube([strap_w, strap_pillard+2, strap_th]);
+	  }
+	}
+      }
     }
 
     // charging connector