From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Tue, 16 Oct 2018 15:01:41 +0000 (+0200)
Subject: 18650 LED torch - first version
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=6b51a8f2be1a9b42b904d63f90f6762bedfc3d62;p=things.git

18650 LED torch - first version
---

diff --git a/led-torch.scad b/led-torch.scad
new file mode 100644
index 0000000..7f2f749
--- /dev/null
+++ b/led-torch.scad
@@ -0,0 +1,59 @@
+infty = 200;
+eps = 0.01;
+
+wall = 1;
+
+led_d = 10 + 0.5;
+int_d = 19/cos(30);
+barrier_h = 8;
+body_l = 70 + barrier_h;
+
+difference() {
+	cylinder(r = int_d/2 + wall/cos(30), $fn = 6, h = body_l);
+	translate([0, 0, wall])
+	cylinder(r = int_d/2, $fn = 6, h = body_l);
+	// hole for LED
+	translate([0, 0, -eps])
+		cylinder(r = led_d/2, h = infty);
+}
+
+// battery front end stop
+translate([0, 0, barrier_h-wall])
+intersection() {
+	cylinder(r = int_d/2 + wall/(2*cos(30)), $fn = 6, h = wall);
+	for (angle = [0:360/3:360]) rotate ([0, 0, angle])
+		translate([led_d/2+wall, -infty/2, -eps])
+			cube(infty);
+}
+
+// rear end clip
+clip_l = 2;
+clip_w = 0.8;
+clip_dist = 3;
+
+for (angle = [0:60:360]) rotate([0, 0, angle])
+translate([-clip_l/2, int_d*cos(30)/2+wall, body_l - clip_dist]) {
+	scale([1, 1, 3])
+	rotate([0, 90, 0])
+		cylinder(r = clip_w, h = clip_l, $fn = 4);
+}
+
+// lid
+
+lid_d = int_d + 2*wall/cos(30) + 2*clip_w/cos(30);
+lid_h = clip_dist + 3*wall+3*clip_w;
+
+translate([0, int_d + 5, 0])
+difference() {
+	cylinder(r = lid_d/2 + wall/cos(30), $fn = 6, h = lid_h);
+	difference() {
+		translate([0, 0, wall])
+			cylinder(r = lid_d/2, $fn = 6, h = lid_h);
+		for (angle = [0:180:360]) rotate([0, 0, angle])
+		translate([-clip_l/2, lid_d*cos(30)/2, clip_dist + 2*wall]) {
+			scale([1, 1, 3])
+			rotate([0, 90, 0])
+			cylinder(r = clip_w, h = clip_l, $fn = 4);
+		}
+	}
+}