X-Git-Url: http://challenge-bot.com/repos/?a=blobdiff_plain;f=3d-printables%2Fsonar-binder-clip-holder-data.scad;h=dca34194822bbfbba8ae463d462a75905467e88b;hb=ca851d511104f63e975e610e306e266a90343727;hp=f944906ba8dc684442c6f8a91076655055ea2a0a;hpb=e04f30fbe09e3729899f746d842b46ed24765400;p=challenge-bot

diff --git a/3d-printables/sonar-binder-clip-holder-data.scad b/3d-printables/sonar-binder-clip-holder-data.scad
index f944906..dca3419 100644
--- a/3d-printables/sonar-binder-clip-holder-data.scad
+++ b/3d-printables/sonar-binder-clip-holder-data.scad
@@ -16,10 +16,15 @@
   of it.
 */
 
-$fn = 50;
+/*
+ *  * TODO make hole for thing between cans
+ *  * TODO make hole for screws in corners of pcb
+ */
+
+$fn = 150;
 
 sonar_diameter_measured = 15.82;
-sonar_diameter_print_fudge = 0.5;
+sonar_diameter_print_fudge = 0.4;
 sonar_diameter = sonar_diameter_measured + sonar_diameter_print_fudge;
 sonar_radius = sonar_diameter / 2;
 
@@ -30,15 +35,18 @@ between_sonar_centers = sonar_diameter + between_sonar_cans;
 //  from one sensor to the next, so this allows for that variance.
 between_sonar_centers_variation = 2;
 
-wall_thickness = 3;
+wall_thickness = 4;
 
-screw_radius_measured = 2.8;
+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;
 
-module sonar_sensors_2d(sonar_radius,
-                        between_sonar_centers,
-                        between_sonar_centers_variation) {
+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]){
@@ -46,51 +54,81 @@ module sonar_sensors_2d(sonar_radius,
   translate([between_sonar_centers, 0]) {
     circle(sonar_radius); } }
 
-module sonar_holder_outline_2d(sonar_radius,
-                               between_sonar_centers,
-                               wall_thickness) {
-  holder_radius = sonar_radius + wall_thickness;
-  holder_diameter = holder_radius * 2;
+module sonar_holder_outline_2d(holder_radius,
+                               between_sonar_centers) {
   hull() {
     circle(holder_radius);
-    translate([between_sonar_centers - sonar_radius - wall_thickness,
-               -holder_radius]) {
-      square(holder_diameter); } } }
-
-module sonar_holder(sonar_radius,
-                    between_sonar_centers,
-                    between_sonar_centers_variation,
-                    wall_thickness) {
+    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() {
-    sonar_holder_outline_2d(sonar_radius,
-                            between_sonar_centers,
-                            wall_thickness);
-    sonar_sensors_2d(sonar_radius,
-                     between_sonar_centers,
-                     between_sonar_centers_variation); } }
-
-module binder_clip_holder(binder_clip_holder_length,
+       binder_clip_holder_outline_2d(holder_radius);
+       binder_clip_holder_holes_2d(screw_radius); } }
+
+module binder_clip_holder(holder_radius,
                           screw_radius,
-                          holder_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() {
-  square([binder_clip_holder_length, holder_radius * 2]);
-  translate([binder_clip_holder_length - holder_radius, holder_radius]) {
-    circle(screw_radius); } } }
+    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,
-                                wall_thickness) {
-  sonar_holder(sonar_radius,
-               between_sonar_centers,
-               between_sonar_centers_variation,
-               wall_thickness);
-  holder_radius = sonar_radius + wall_thickness;
-  binder_clip_holder_length = 2 * holder_radius;
-  translate([between_sonar_centers + holder_radius, -holder_radius]){
-    binder_clip_holder(binder_clip_holder_length,
-                       screw_radius,
-                       holder_radius); } }
+                                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.