From 24169540122bb09c5bf3f34814d673128ff6262a Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Wed, 20 May 2015 20:51:03 +0200
Subject: [PATCH] led-arrow: bigger version with two screw mounts

---
 led-arrow.scad | 131 ++++++++++++++++++++++++++-----------------------
 1 file changed, 70 insertions(+), 61 deletions(-)

diff --git a/led-arrow.scad b/led-arrow.scad
index 768bba5..22719e4 100644
--- a/led-arrow.scad
+++ b/led-arrow.scad
@@ -1,77 +1,86 @@
 eps = 0.01;
 infty = 100;
 
-module chamber() {
-	hull() {
-		for (i = [-1, 1]) {
-			translate([-3, 0, 0.5])
-				scale([1.25, 1, 1])
-				cylinder(r1 = 8, r2 = 9, h = 4, $fn = 3);
-			rotate([0, 35*i, 0]) {
-				translate([0, 0, 7])
-				rotate([0, 0, 45])
-				cylinder(r = 10/2, h = 4, $fn = 4);
-			}
-		}
-	}
-	for (i = [-1, 1]) {
-			rotate([0, 35*i, 0])
-				translate([0, 0, 10])
-					cylinder(r = 6.0/2, h = 5, $fn = 6);
-				intersection() {
-				rotate([0, 35*i, 0])
-				translate([0, 0, 15-eps])
-					cylinder(r = 8/2, h = 10, $fn = 6);
-				translate([-30/2, -15/2, eps])
-					cube([30, 15, 15]);
-				}
-		difference() {
-			translate([-32/2, -16/2, 15])
-				cube([32, 16, 20]);
-			
-			translate([screw_x-12/2, screw_y-12/2,0])
-				cube([12, 12, infty]);
-		}
-	}
+wall = 1.5;
 
-}
+led_d = 10 + 0.5;
+led_angle = 10;
+led_depth = 4;
+led_x = led_d/2+0.75;
+
+body_x = led_d + 2*led_x + 15;
+body_d = 14;
+top_off = body_d*tan(led_angle);
+body_y = led_d + 2*top_off + 5*wall;
+base_w = led_d + 4*wall;
+
+screw_d = 3.8;
+screw_head = 8;
+// screw_y = led_d/2+screw_head/2+wall;
+screw_x = body_x/2 +wall + screw_head/2;
+screw_wall = 2.5;
 
-screw_x = 5;
-screw_y = 11;
+cable_w = 7;
+cable_h = screw_wall;
 
 module body() {
 	hull() {
-		// top cube
-		translate([-36/2, -20/2, 15])
-			cube([36, 20, 5]);
-		// bottom triangle
-		translate([-3, 0, 0])
-			scale([1.5, 1, 1])
-			cylinder(r = 11, h = eps, $fn = 3);
-		// screw base
-		translate([screw_x-12/2, screw_y-12/2,17])
-			cube([12, 12, 3]);
+		for (i = [-1, 1]) translate([i*led_x, 0, 0])
+			cylinder(r = base_w/2, h = eps);
+	//	translate([-led_x-led_d/2-wall, -led_d/2-wall, 0])
+	//		cube([2*led_x + led_d + 2*wall, led_d+2*wall, eps]);
+		translate([-body_x/2, -body_y/2, body_d-screw_wall])
+			cube([body_x, body_y, screw_wall]);
+		for (i = [-1, 1]) scale([i, 1, 1]) {
+			translate([screw_x-screw_head/2, -screw_head/2-wall, body_d-screw_wall])
+				cube([screw_head, screw_head+2*wall, screw_wall]);
+			translate([screw_x-screw_head/2, -screw_head/2-wall, 0])
+				cube([screw_head/2, screw_head+2*wall, eps]);
+		}
+	}
+};
+	
+
+module main_hole() {
+	hull() {
+		for (i = [-1, 1])
+			rotate([led_angle, 0, 0]) {
+				translate([i*led_x, 0, led_depth])
+					cylinder(r = led_d/2+wall/2, h = eps);
+			}
+		translate([-body_x/2+wall, -body_y/2+wall, body_d-screw_wall])
+			cube([body_x-2*wall, body_y-2*wall, screw_wall+eps]);
 	}
+	for (i = [-1, 1])
+		rotate([led_angle, 0, 0])
+			translate([i*led_x, 0, led_depth])
+				cylinder(r = led_d/2+wall/2, h = infty);
 }
 
-module light() {
+difference() {
+	body();
+	// LED holes
+	for (i = [-1, 1])
+		rotate([led_angle, 0, 0])
+			translate([i*led_x, 0, -infty/2])
+				cylinder(r = led_d/2, h = infty);
+	// main hole
 	difference() {
-		body();
-		chamber();
+		main_hole();
+//		translate([-screw_head/2-wall, screw_y-screw_head/2-wall, 0])
+//			cube([screw_head+2*wall, screw_head+2*wall, infty]);
+	};
+	for (i = [-1, 1]) scale([i, 1, 1]) {
 		// screw head hole
-		translate([-4+screw_x, screw_y-8/2, 17-infty])
-			cube([8, infty, infty]);
+		translate([screw_x-screw_head/2, -screw_head/2, -eps])
+			cube([screw_head+wall, screw_head, body_d-screw_wall]);
 		// screw hole
-		translate([screw_x-4, screw_y-4/2, -eps])
-			cube([8, 4, infty]);
-
-		// cable hole
-		translate([-9-eps, 0, 17])
-		 	cube([8, infty, infty]);
-
-		// debug
-		// translate([-infty/2, -infty, -infty/2]) cube(infty);
+		translate([screw_x-screw_d/2, -screw_head/2, -eps])
+			cube([screw_d, screw_head, infty]);
 	}
+	// cable hole
+	translate([-led_x, 0, 0])
+		rotate([0, 0, 30])
+		translate([-infty, -cable_w/2, body_d-cable_h])
+			cube([infty, cable_w, cable_h+eps]);
 }
-
-light();
-- 
2.43.5