From 2fd5c5b5e2dcf1f53e142d9e6809db8cec1f737f Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Wed, 17 Jun 2015 16:22:03 +0200
Subject: [PATCH] hc-sr04.scad: alternative cable outlet

---
 things/hc-sr04.scad | 38 +++++++++++++++++++++++++-------------
 1 file changed, 25 insertions(+), 13 deletions(-)

diff --git a/things/hc-sr04.scad b/things/hc-sr04.scad
index a9d1a1c..e01ca75 100644
--- a/things/hc-sr04.scad
+++ b/things/hc-sr04.scad
@@ -16,11 +16,11 @@ pcb_thick = 2.5;
 
 cyl_base = pcb_x/2 + wall - cyl_x;
 
-conn_x = 10 + 0.5;
-conn_y = 15;
-
-cable_w = 7;
-cable_h = 4;
+conn_x = 18 + 2*wall;
+conn_z0 = 8;
+conn_y = 5;
+conn_x0 = conn_x - 1.5*conn_z0;
+conn_len = 35;
 
 screw_head = 7.5;
 screw_d = 4;
@@ -38,9 +38,13 @@ module sensor() {
 		translate([-conn_x/2, pcb_y/2-eps, -eps])
 			cube([conn_x, conn_y+eps, pcb_h-pcb_thick+eps]);
 	}
-	// cable protrusion
-	translate([-cable_w/2, pcb_y/2+conn_y-eps, -eps])
-		cube([cable_w, 2*wall + eps, cable_h]);
+	// cable cover hole
+	hull() {
+		translate([-conn_x0/2+wall, conn_y+pcb_y/2-eps, conn_z0-wall-eps])
+			cube([conn_x0-2*wall, conn_len+2*eps, pcb_h+cyl_h+wall+eps-conn_z0]);
+		translate([-conn_x/2+wall, conn_y+pcb_y/2-eps, -wall])
+			cube([conn_x-2*wall, conn_len+2*eps, pcb_h+cyl_h+wall-conn_z0]);
+	}
 
 	// cylinders
 	for (x = [-1, 1]) translate([cyl_x*x, 0, pcb_h - eps])
@@ -62,17 +66,25 @@ module case_body() {
 		for (x = [-1, 1]) translate([cyl_x*x, 0, pcb_h + cyl_h])
 			cylinder(r = cyl_base, h = wall);
 
-		translate([0, 8, pcb_h + cyl_h])
-			cylinder(r = cyl_base, h = wall);
+		// front (see cable cover)
+		translate([-conn_x0/2, conn_y+pcb_y/2, conn_z0-eps])
+			cube([conn_x0, wall, pcb_h+cyl_h+wall+eps-conn_z0]);
+		translate([-conn_x/2, conn_y+pcb_y/2, 0])
+			cube([conn_x, wall, pcb_h+cyl_h+wall-conn_z0]);
 
-		// connector
-		translate([-conn_x/2-wall, pcb_y/2-wall, 0])
-			cube([conn_x+2*wall, conn_y+2*wall, pcb_h-pcb_thick+wall]);
 		// screw mounts
 		for (x = [1, -1]) scale([x, 1, 1])
 			translate([pcb_x/2+wall, -screw_head/2-wall, 0])
 				cube([screw_head, screw_head+2*wall, screw_base]);
 	}
+
+	// cable cover
+	hull() {
+		translate([-conn_x0/2, conn_y+pcb_y/2, conn_z0-eps])
+			cube([conn_x0, conn_len, pcb_h+cyl_h+wall+eps-conn_z0]);
+		translate([-conn_x/2, conn_y+pcb_y/2, 0])
+			cube([conn_x, conn_len, pcb_h+cyl_h+wall-conn_z0]);
+	}
 }
 
 module case() {
-- 
2.43.5