X-Git-Url: http://challenge-bot.com/repos/?a=blobdiff_plain;f=3d-printables%2Fsonar-binder-clip-holder-data.scad;h=5b1d9261ba5966419f1ed3fd4a9f364a51ffc63d;hb=e1db6b0c260b362ffa5d39a219d843abec287b08;hp=42b1d408baf4d2abc0e2ed5fdaf2c22e65ea324c;hpb=d899cf8bd0dd99ebc7bd5ee05b15ccf1086424d4;p=challenge-bot

diff --git a/3d-printables/sonar-binder-clip-holder-data.scad b/3d-printables/sonar-binder-clip-holder-data.scad
index 42b1d40..5b1d926 100644
--- a/3d-printables/sonar-binder-clip-holder-data.scad
+++ b/3d-printables/sonar-binder-clip-holder-data.scad
@@ -16,16 +16,114 @@
   of it.
 */
 
-$fn = 30;
+$fn = 150;
 
 sonar_diameter_measured = 15.82;
 sonar_diameter_print_fudge = 0.5;
 sonar_diameter = sonar_diameter_measured + sonar_diameter_print_fudge;
 sonar_radius = sonar_diameter / 2;
 
-module sonar_binder_clip_holder(sonar_radius) {
-	circle(sonar_radius);
-}
+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;
+
+wall_thickness = 3;
+
+screw_diameter_measured = 3.45;
+screw_radius_measured = screw_diameter_measured / 2;
+screw_radius_print_fudge = 0.3;
+screw_radius = screw_radius_measured + screw_radius_print_fudge;
+
+sonar_binder_clip_holder_height = 4;
+
+module sonar_sensor_holes_2d(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); } }
+
+module sonar_holder_outline_2d(holder_radius,
+                               between_sonar_centers) {
+  hull() {
+    circle(holder_radius);
+    translate([between_sonar_centers, 0]) {
+      circle(holder_radius); } } }
+
+module binder_clip_holder_outline_2d(holder_radius) {
+     circle(holder_radius); }
+
+module sonar_binder_clip_holder_outline_2d(holder_radius,
+                                           between_sonar_centers) {
+  sonar_holder_length = between_sonar_centers + 2 * holder_radius;
+  hull(){
+    sonar_holder_outline_2d(holder_radius, between_sonar_centers);
+    translate([sonar_holder_length, 0]) {
+      binder_clip_holder_outline_2d(holder_radius); } } }
+
+module binder_clip_holder_holes_2d(screw_radius) {
+  circle(screw_radius); }
+
+module binder_clip_holder_2d(holder_radius,
+                             screw_radius) {
+  difference() {
+       binder_clip_holder_outline_2d(holder_radius);
+       binder_clip_holder_holes_2d(screw_radius); } }
+
+module binder_clip_holder(holder_radius,
+                          screw_radius,
+                          sonar_binder_clip_holder_height) {
+  linear_extrude(height = sonar_binder_clip_holder_height) {
+    binder_clip_holder_2d(holder_radius,
+                          screw_radius); } }
+
+module sonar_binder_clip_holder_holes_2d(sonar_radius,
+                                         between_sonar_centers,
+                                         between_sonar_centers_variation,
+                                         screw_radius,
+                                         wall_thickness) {
+  holder_radius = sonar_radius + wall_thickness;
+  holder_diameter = holder_radius * 2;
+  holder_length = between_sonar_centers + holder_diameter;
+  sonar_sensor_holes_2d(sonar_radius,
+                        between_sonar_centers,
+                        between_sonar_centers_variation);
+  translate([holder_length, 0]){
+    binder_clip_holder_holes_2d(screw_radius); } }
+
+module sonar_binder_clip_holder_2d(sonar_radius,
+                                   between_sonar_centers,
+                                   between_sonar_centers_variation,
+                                   screw_radius,
+                                   wall_thickness) {
+  holder_radius = sonar_radius + wall_thickness;
+  difference() {
+    sonar_binder_clip_holder_outline_2d(holder_radius,
+                                        between_sonar_centers);
+    sonar_binder_clip_holder_holes_2d(sonar_radius,
+                                      between_sonar_centers,
+                                      between_sonar_centers_variation,
+                                      screw_radius,
+                                      wall_thickness); } }
+
+module sonar_binder_clip_holder(sonar_radius,
+                                between_sonar_centers,
+                                between_sonar_centers_variation,
+                                screw_radius,
+                                wall_thickness,
+                                sonar_binder_clip_holder_height) {
+     linear_extrude(height = sonar_binder_clip_holder_height) {
+          sonar_binder_clip_holder_2d(sonar_radius,
+                                      between_sonar_centers,
+                                      between_sonar_centers_variation,
+                                      screw_radius,
+                                      wall_thickness); } }
 
 /*
   This file is part of challenge-bot.