From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Fri, 4 May 2018 09:56:49 +0000 (+0200)
Subject: top joiner for the all-flying fin
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=ba6020b1bbb0b4ec50782d7bcfd2c55046c7c7f2;p=things.git

top joiner for the all-flying fin
---

diff --git a/fin-joiner.scad b/fin-joiner.scad
new file mode 100644
index 0000000..1e00257
--- /dev/null
+++ b/fin-joiner.scad
@@ -0,0 +1,60 @@
+eps = 0.01;
+infty = 200;
+
+wall = 1.5;
+thin_wall = 0.6;
+
+stab_tube_d = 3.0 + 0.5;
+stab_tube_l = 25;
+
+stab_tube_off = 3;
+pulley_d = 10;
+
+fuse_tube_d = 8.0;
+fuse_tube_l = 12;
+
+slot_w = 3;
+
+base_d = 15;
+base_h = 0.6;
+
+module body() {
+	// fuse tube
+	cylinder(r = fuse_tube_d/2 + wall, h = fuse_tube_l);
+
+	// stab tube
+	hull() {
+		translate([fuse_tube_d/2 + wall + stab_tube_off, 0, stab_tube_d/2+wall])
+		rotate([0, 90, 0])
+			cylinder(r = stab_tube_d/2+wall, h = stab_tube_l);
+		translate([fuse_tube_d/2 + wall + stab_tube_off, -stab_tube_d/2, 0])
+			cube([stab_tube_l, stab_tube_d, eps]);
+	}
+	// joiner
+	hull() {
+		// stab tube tip
+		translate([fuse_tube_d/2 + wall + stab_tube_off + stab_tube_l - eps,
+			-thin_wall/2, stab_tube_d + 1.5*wall])
+			cube([eps, thin_wall, eps]);
+		// fuse tube tip
+		translate([fuse_tube_d/2 + wall/2, -thin_wall/2, fuse_tube_l - eps])
+			cube([eps, thin_wall, eps]);
+		translate([fuse_tube_d/2 + wall/2, -3*wall/2, stab_tube_d+1.5*wall])
+			cube([eps, 3*wall, eps]);
+	}
+}
+
+difference() {
+	body();
+	// fuse tube
+	translate([0, 0, -eps])
+		cylinder(r = fuse_tube_d/2, h = fuse_tube_l + 2*eps);
+	// fuse slot
+	translate([-fuse_tube_d, -slot_w/2, -eps])
+		cube([fuse_tube_d, slot_w, fuse_tube_l + 2*eps]);
+	// stab tube
+	translate([0, 0, stab_tube_d/2+wall])
+	rotate([0, 90, 0])
+		cylinder(r = stab_tube_d/2, h = stab_tube_l + stab_tube_off + fuse_tube_d/2 + wall + eps );
+}
+