From: daniel watson <ozzloy@gmail.com>
Date: Fri, 3 Jun 2016 17:49:42 +0000 (-0700)
Subject: add variation on distance between sonar sensors
X-Git-Url: http://challenge-bot.com/repos/?p=challenge-bot;a=commitdiff_plain;h=8d53fefdb26fd05330b1e0f15698439b63ef787e

add variation on distance between sonar sensors
---

diff --git a/3d-printables/sonar-binder-clip-holder-data.scad b/3d-printables/sonar-binder-clip-holder-data.scad
index cadb8ce..05d8d27 100644
--- a/3d-printables/sonar-binder-clip-holder-data.scad
+++ b/3d-printables/sonar-binder-clip-holder-data.scad
@@ -26,9 +26,17 @@ sonar_radius = sonar_diameter / 2;
 between_sonar_cans = 10.82;
 between_sonar_centers = sonar_diameter + between_sonar_cans;
 
+// the sonar cylinders are placed on the pcb at slightly different positions
+//  from one sensor to the next, so this allows for that variance.
+between_sonar_centers_variation = 2;
+
 module sonar_binder_clip_holder(sonar_radius,
-																between_sonar_centers) {
-	circle(sonar_radius);
+																between_sonar_centers,
+																between_sonar_centers_variation) {
+	hull(){
+		circle(sonar_radius);
+		translate([between_sonar_centers_variation, 0]){
+			circle(sonar_radius); } }
 	translate([between_sonar_centers, 0]) {
 		circle(sonar_radius); } }
 
diff --git a/3d-printables/sonar-binder-clip-holder.scad b/3d-printables/sonar-binder-clip-holder.scad
index 451f85b..e968500 100644
--- a/3d-printables/sonar-binder-clip-holder.scad
+++ b/3d-printables/sonar-binder-clip-holder.scad
@@ -19,7 +19,8 @@
 include <sonar-binder-clip-holder-data.scad>
 
 sonar_binder_clip_holder(sonar_radius,
-                         between_sonar_centers);
+                         between_sonar_centers,
+                         between_sonar_centers_variation);
 
 /*
   This file is part of challenge-bot.