use hull for gap around sonar sensor

[challenge-bot] / 3d-printables / sonar-table-top-holder-data.scad

diff --git a/3d-printables/sonar-table-top-holder-data.scad b/3d-printables/sonar-table-top-holder-data.scad
index 5b17cbfd4d289340c8d5e9a114a9f0c1f7a3c816..bb6d0ce073de731f18aa1aaf179ae16b22033291 100644 (file)
--- a/3d-printables/sonar-table-top-holder-data.scad
+++ b/3d-printables/sonar-table-top-holder-data.scad
@@ -1,8 +1,11 @@
+/*
+  Copyright (C) 2015 Daniel Watson
+  See the end of the file for license conditions.
+*/
 // challenge-bot
 // GNU AGPLv3 (or later at your option)
-// project available at these locations:
-// https://gitorious.org/ozzloy/challenge-bot
-// https://github.com/waynegramlich/challenge-bot
+// project available here:
+// https://challenge-bot.com/
 
 /*
   this holds an hc-sr04 sonar sensor to a 3/16 inch deck.
@@ -44,12 +47,11 @@ module sonar_holder_2d() {
 
 module sonars() {
   translate([between_sonar_centers / 2, 0, 0]) {
-    cylinder(r = sonar_radius, h = sonar_height); }
-  // for the variance with which the physical sonar cylinders are placed
-  translate([between_sonar_centers / 2 - between_sonar_centers_variance, 0, 0]) {
-    cylinder(r = sonar_radius, h = sonar_height);
-    translate([0, -sonar_radius, 0]) {
-      cube([between_sonar_centers_variance, sonar_diameter, sonar_height]); } }
+    hull() {
+      cylinder(r = sonar_radius, h = sonar_height);
+      // for the variance with which the physical sonar cylinders are placed
+      translate([ -between_sonar_centers_variance, 0, 0]) {
+        cylinder(r = sonar_radius, h = sonar_height); } } }
   translate([-between_sonar_centers / 2, 0, 0]) {
     cylinder(r = sonar_radius, h = sonar_height); } }
 
@@ -100,3 +102,20 @@ module corner_rounder_2d(radius, corner_name = "top-left") {
 module corner_rounder(radius, height, corner_name = "top-left") {
   linear_extrude(height = height) {
     corner_rounder_2d(radius, corner_name); } }
+
+/*
+  This file is part of challenge-bot.
+
+  Challenge-bot is free software: you can redistribute it and/or modify
+  it under the terms of the GNU Affero General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  GNU Affero Emacs is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU Affero General Public License for more details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with challenge-bot.  If not, see <http://www.gnu.org/licenses/>.
+*/