From 40d8ec4cda746faedc50afe380d8188b7cc617d9 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Tue, 4 Jul 2017 16:20:05 +0200
Subject: [PATCH] Firefly Q6 lens hood - first version

---
 firefly-q6-hood.scad | 48 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 firefly-q6-hood.scad

diff --git a/firefly-q6-hood.scad b/firefly-q6-hood.scad
new file mode 100644
index 0000000..a62c8a7
--- /dev/null
+++ b/firefly-q6-hood.scad
@@ -0,0 +1,48 @@
+eps = 0.01;
+
+// Q6 lens dimensions
+yellow_ring_d = 19.5 + 0.5;
+yellow_ring_h = 3.5;
+
+view_angle = 95;
+
+hood_h = 20;
+hood_top_d = 30;
+
+lens_d = 15;
+wall = 1.5;
+rectangle_h = 80;
+rectangle_w2h = 1.777;
+
+rect_d2 = rectangle_h * tan(view_angle/2);
+rect_x = 2*rect_d2/sqrt(1+rectangle_w2h*rectangle_w2h);
+rect_y = rectangle_w2h * rect_x;
+$fn = 128;
+difference() {
+	// body
+	hull() {
+		cylinder(r = yellow_ring_d/2 + wall, h = yellow_ring_h);
+		translate([0, 0, hood_h-eps])
+			cylinder(r = hood_top_d/2 + wall, h = eps);
+	}
+	translate([0, 0, -eps])
+		cylinder(r = yellow_ring_d/2, h = yellow_ring_h+2*eps);
+	// walls of the cone
+	hull() {
+		translate([0, 0, yellow_ring_h])
+			cylinder(r = yellow_ring_d/2, h = eps);
+		translate([0, 0, hood_h])
+			cylinder(r = hood_top_d/2, h = eps);
+	}
+	hull() {
+		cylinder(r = lens_d/2, h = eps);
+		// translate([0, 0, rectangle_h])
+		// 	cylinder(r = rect_d2 - 5, h = eps);
+		translate([-rect_x/2, -rect_y/2, rectangle_h])
+			cube([rect_x, rect_y, eps]);
+	}
+
+}
+	
+
+
-- 
2.43.0