From 9b42d78b71cc8f567fa7b7b1d434e81da73e5282 Mon Sep 17 00:00:00 2001
From: Shoshana Berleant <nope>
Date: Thu, 7 Jan 2016 22:49:11 -0800
Subject: [PATCH] First draft for clippy sonar

---
 .../sonar-table-top-holder-data.scad          | 59 +++++--------------
 3d-printables/sonar-table-top-holder.scad     |  2 +
 2 files changed, 16 insertions(+), 45 deletions(-)

diff --git a/3d-printables/sonar-table-top-holder-data.scad b/3d-printables/sonar-table-top-holder-data.scad
index 2bfe1b0..0b31aa4 100644
--- a/3d-printables/sonar-table-top-holder-data.scad
+++ b/3d-printables/sonar-table-top-holder-data.scad
@@ -34,7 +34,9 @@ between_sonar_centers = sonar_diameter + 10.82;
 between_sonar_centers_variance = 2;
 // keep at least this much plastic surrounding the sonar cylinder on all sides
 buffer = 3;
-sonar_holder_length = buffer + between_sonar_centers + sonar_diameter + buffer;
+binder_clip_attacher_length = 30; // not measured; just a rough estimate
+screw_hole = 2.2;
+sonar_holder_length = buffer + between_sonar_centers + sonar_diameter + buffer + binder_clip_attacher_length;
 sonar_holder_width = buffer + sonar_diameter + buffer;
 // sonar_holder_depth is deck_depth minus a little bit to make arm fit
 //  into deck holder
@@ -57,52 +59,19 @@ module sonars() {
     cylinder(r = sonar_radius, h = sonar_height); } }
 
 module sonar_holder() {
-  elbow_length = deck_depth - 0.5;
-  rounded_corner_radius = buffer;
-  difference() {
-    cube([sonar_holder_length, sonar_holder_width, sonar_holder_depth]);
-    translate([sonar_holder_length / 2, sonar_holder_width / 2, -0.05]) {
-      sonars(); }
-    translate([sonar_holder_length,
-               sonar_holder_width,
-               0]) {
-      corner_rounder(rounded_corner_radius,
-                     sonar_holder_depth,
-                     "bottom-right"); } }
-  translate([sonar_holder_length, 0, 0]) {
-    cube([elbow_length, deck_depth, sonar_holder_depth]);
-    translate([elbow_length, 0, 0]) {
-      linear_extrude(height = sonar_holder_depth) {
-        polygon([[                 0, 0],
-                 [sonar_holder_depth, 0],
-                 [sonar_holder_depth, sonar_holder_width / 2],
-                 [                 0, sonar_holder_width / 2
-                                      + sonar_holder_depth]]); }
-      translate([0, (sonar_holder_width + sonar_holder_depth) / 2, 0]) {
-        cube([sonar_holder_depth / 2,
-              (sonar_holder_width - sonar_holder_depth) / 2 + 0.8,
-              sonar_holder_depth]); }
-      translate([-1.7, sonar_holder_width + 0.8, 0]) {
-        linear_extrude(height = sonar_holder_depth) {
-          polygon([[                           0, 0],
-                   [sonar_holder_depth / 2 + 1.7, 4],
-                   [sonar_holder_depth / 2 + 1.7, 0]]); } } } } }
-
-module corner_rounder_2d(radius, corner_name = "top-left") {
-  rotate_for_corner = (corner_name == "top-left") ? 0 :
-                      ((corner_name == "top-right") ? -90 :
-                       ((corner_name == "bottom-left") ? 90 :
-                        ((corner_name == "bottom-right") ? 180 :
-                         1 / 0)));
-  rotate(rotate_for_corner) {
     difference() {
-      square(radius);
-      translate([radius, radius]) {
-        circle(radius); } } } }
+      difference() {
+	cube([sonar_holder_length, sonar_holder_width, sonar_holder_depth]);
+	translate([sonar_holder_length - between_sonar_centers, sonar_holder_width / 2, -0.05]) {
+	  sonars(); } }
+      translate([binder_clip_attacher_length / 2, sonar_holder_width / 2], 0) {
+      cylinder(r =  screw_hole, h = sonar_holder_depth); } } }
 
-module corner_rounder(radius, height, corner_name = "top-left") {
-  linear_extrude(height = height) {
-    corner_rounder_2d(radius, corner_name); } }
+module attaching_piece() {
+  linear_extrude(height = sonar_holder_depth) {
+    difference() {
+      square(sonar_holder_width, center = true);
+      circle(screw_hole); } } }
 
 /*
   This file is part of challenge-bot.
diff --git a/3d-printables/sonar-table-top-holder.scad b/3d-printables/sonar-table-top-holder.scad
index 7834bc6..52e1055 100644
--- a/3d-printables/sonar-table-top-holder.scad
+++ b/3d-printables/sonar-table-top-holder.scad
@@ -21,6 +21,8 @@ include <sonar-table-top-holder-data.scad>
 
 sonar_holder();
 
+translate ([30, 45, 0]) { attaching_piece(); }
+
 /*
   This file is part of challenge-bot.
 
-- 
2.30.2