From ae4937f444777aa0669c3158f61524417045bb33 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Thu, 18 Oct 2018 14:46:05 +0200
Subject: [PATCH] firewall for ITA plank wing

---
 ita-firewall.scad | 79 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 ita-firewall.scad

diff --git a/ita-firewall.scad b/ita-firewall.scad
new file mode 100644
index 0000000..a30b31e
--- /dev/null
+++ b/ita-firewall.scad
@@ -0,0 +1,79 @@
+eps = 0.01;
+infty = 100;
+
+body_w = 34;
+body_h = 30;
+foam_w = 3;
+
+screw_d1 = 19;
+screw_d2 = 16;
+screw_hole = 3.5;
+base_wall = 1.5;
+
+center_hole_d = 9;
+
+insert_h = 10;
+
+motor_angle_right = 4;
+
+wall = 1;
+
+difference() {
+	translate([-body_w/2, -body_h/2, 0])
+		cube([body_w, body_h, base_wall]);
+	// center hole
+	translate([0, 0, -eps])
+		cylinder(r = center_hole_d/2, h = base_wall + 2*eps);
+	// screw_d2 screw holes
+	for (y = [-1, 1]) scale([1, y, 1])
+		translate([0, screw_d2/2, -eps]) {
+			cylinder(r = screw_hole/2, h = base_wall + 2*eps, $fn=6);
+			translate([0, 0, base_wall/2])
+				cylinder(r1 = screw_hole/2,
+					r2 = screw_hole/2 + base_wall/2,
+					h = base_wall/2 + 2*eps, $fn = 6);
+		}
+	// screw_d1 screw holes
+	for (x = [-1, 1]) scale([x, 1, 1])
+		translate([screw_d1/2, 0, -eps]) {
+			cylinder(r = screw_hole/2, h = base_wall + 2*eps, $fn=6);
+			translate([0, 0, base_wall/2])
+				cylinder(r1 = screw_hole/2,
+					r2 = screw_hole/2 + base_wall/2,
+					h = base_wall/2 + 2*eps, $fn = 6);
+		}
+	// cable hole
+	translate([-body_w/2+foam_w+wall, -body_h/2+foam_w+wall, -eps])
+		cube([8, 6, base_wall + 2*eps]);
+}
+
+side_ext = 0.7;
+
+difference() {
+	hull() {
+		translate([-body_w/2+foam_w, -body_h/2+foam_w, base_wall-eps])
+			cube([body_w-2*foam_w, body_h-2*foam_w, eps]);
+		translate([-body_w/2+foam_w-side_ext*insert_h/2, -body_h/2+foam_w-side_ext*insert_h/2, insert_h + base_wall - eps])
+			cube([body_w-2*foam_w+side_ext*insert_h, body_h-2*foam_w+side_ext*insert_h, eps]);
+	}
+	hull() {
+		translate([-body_w/2+foam_w+wall, -body_h/2+foam_w+wall, base_wall-2*eps])
+			cube([body_w-2*foam_w-2*wall, body_h-2*foam_w-2*wall, eps]);
+		translate([-body_w/2+foam_w+wall-side_ext*insert_h/2, -body_h/2+foam_w+wall-side_ext*insert_h/2, insert_h + base_wall])
+			cube([body_w-2*foam_w+side_ext*insert_h-2*wall, body_h-2*foam_w+side_ext*insert_h-2*wall, eps]);
+	}
+};
+
+/*
+%difference() {
+	rotate([0, motor_angle_right, 0]) difference() {
+		translate([-body_w/2+foam_w, -body_h/2+foam_w, -infty/2])
+			cube([body_w-2*foam_w, body_h-foam_w,
+				insert_h+base_wall+infty/2]);
+		translate([-body_w/2+foam_w+wall, -body_h/2+foam_w+wall, -infty/2])
+			cube([body_w-2*foam_w-2*wall, body_h-foam_w-2*wall,
+				insert_h+base_wall+infty/2+2*eps]);
+	}
+	translate([-infty/2, -infty/2, -infty+eps]) cube(infty);
+}
+*/
-- 
2.43.0