From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Wed, 7 Nov 2018 13:54:47 +0000 (+0100)
Subject: screw support for flying wing
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=07cb58b10b69e319f3e766c5a3ae6a39f5ed02fd;p=things.git

screw support for flying wing
---

diff --git a/wing-screw-support.scad b/wing-screw-support.scad
new file mode 100644
index 0000000..d0087fb
--- /dev/null
+++ b/wing-screw-support.scad
@@ -0,0 +1,36 @@
+eps = 0.01;
+infty = 100;
+
+width = 30;
+depth = 10;
+hole_d = 3.5;
+wall_angle = 40;
+hole_angle = 10;
+hole_wall = 2;
+wall = 1;
+front_h = 0.5;
+
+difference() {
+	hull() {
+		translate([-width/2, 0, 0])
+			rotate([hole_angle, 0, 0])
+			cube([width, eps, front_h]);
+		intersection() {
+			translate([0, depth, 0])
+				rotate([hole_angle, 0, 0])
+				translate([0, 0, -infty/2])
+				cylinder(r = hole_d/2 + hole_wall, h = infty);
+			translate([-infty/2, -infty/2, 0]) cube(infty); // z > 0
+			translate([0, 0, wall])
+				rotate([-90+wall_angle, 0, 0])
+				translate([-infty/2, 0, 0]) cube(infty); // upper side
+		}
+	}
+	// screw hole
+	translate([0, depth, 0])
+		rotate([hole_angle, 0, 0])
+		translate([0, 0, -infty/2])
+		cylinder(r = hole_d/2, h = infty);
+}
+	
+