X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=quasar-firewall.scad;h=83a68bf458823e681fc9212a7adf854a09e2eef7;hb=HEAD;hp=7e763f1336664f9355684531e5c732fa8325d345;hpb=f0b23b062d51be4cb868c8d36054dd5a43a76f6a;p=things.git

diff --git a/quasar-firewall.scad b/quasar-firewall.scad
index 7e763f1..83a68bf 100644
--- a/quasar-firewall.scad
+++ b/quasar-firewall.scad
@@ -1,67 +1,102 @@
 eps = 0.01;
 infty = 100;
 
-base_d = 28;
-screw_d1 = 19;
-screw_d2 = 16;
-screw_hole = 3.5;
-base_wall = 1.5;
-wall = base_wall;
+wall = 1.2;
+base_wall = 5; // before the cut to the angles
+real_base_wall = 1.5; // after the cut
 
-center_d = 8 + 0.3;
+angle_horiz = 2; // y axis is horizontal, so this is rotate along x
+angle_vert = 1;  // x axis is vertical, so this is rotate along y
 
-cable_slot_w = 5;
-cable_slot_h = 3;
+center_hole = 8 + 0.3;
+center_d = 24;
 
 foam_horiz = 6 + 0.3;
-foam_vert = 6 + 0.3;
-support_h = 30;
+side_w = 40;
 
-top_d = foam_horiz + 8;
+wing_clip_w1 = 9;
+wing_clip_w2 = 8;
+wing_clip_h = 20;
+wing_clip_top_off = 5;
 
-module body() {
-	// base
-	cylinder(r = base_d/2, h = base_wall);
-	intersection() {
-		cylinder(r1 = base_d/2, r2 = top_d/2,
-			 h = support_h + base_wall);
-		union() {
-			translate([-base_d/2, -foam_horiz/2-wall, base_wall - eps])
-				cube([base_d, foam_horiz + 2*wall, support_h]);
-			translate([-foam_vert/2-wall, -base_d/2, base_wall - eps])
-				cube([foam_vert + 2*wall, base_d, support_h]);
+screw_dist = 31.5;
+screw_d = 2;
+
+fuse_w = 18;
+fuse_h = 52;
+fuse_add = 2;
+fuse_top = 2;
+
+module body_solid() {
+	cylinder(r = center_d/2, h = base_wall);
+	// wing front
+	translate([-side_w/2, -foam_horiz/2-wall, 0])
+		cube([side_w, foam_horiz+2*wall, base_wall]);
+	// wing clips on sides
+	for (x = [-1, 1]) scale([x, 1, 1])
+		hull() {
+			// bottom
+			translate([side_w/2-wing_clip_w1, -foam_horiz/2-wall, 0])
+				cube([wing_clip_w1, foam_horiz+2*wall, eps]);
+			// top
+			translate([side_w/2-wing_clip_w1+wing_clip_top_off,
+				-foam_horiz/2-wall, wing_clip_h])
+				cube([wing_clip_w1, foam_horiz+2*wall, eps]);
 		}
+	// fuse front
+	hull() {
+		for (x = [-1, 1]) scale([x, 1, 1])
+			translate([fuse_w/2, 0, 0])
+			cylinder(r = fuse_add, h = base_wall, $fn = 16);
+		for (y = [-1, 1]) scale([1, y, 1])
+			translate([0, fuse_h/2, 0])
+			cylinder(r = fuse_add, h = base_wall, $fn = 16);
+	}
+	// fuse clips body
+	hull() for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1]) {
+		translate([fuse_w/2, 0, 0])
+			cylinder(r = eps, h = base_wall + fuse_top, $fn = 4);
+		translate([0, fuse_h/2, 0])
+			cylinder(r = eps, h = base_wall + fuse_top, $fn = 4);
 	}
 }
 
-module screw_hole() {
-	translate([0, 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+eps, $fn = 6);
+module body_diff() {
+	difference() {
+		body_solid();
+		// center hole
+		translate([0, 0, -eps])
+			cylinder(r = center_hole/2, h = base_wall + 2*eps);
+		// horizontal foam
+		difference() {
+			translate([-infty/2, -foam_horiz/2, base_wall])
+				cube([infty, foam_horiz, infty]);
+			// in the center there is only bottom half of the foam
+			translate([-fuse_w/2, 0, base_wall-eps])
+				cube([fuse_w, foam_horiz/2, infty]);
+		}
+		// screw holes
+		for (angle = [0:90:360])
+			rotate([0, 0, angle])
+			translate([screw_dist/2, 0, -eps])
+			cylinder(r = screw_d/2, h = base_wall + 2*eps);
+		// fuse clips inside
+		hull() for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1]) {
+			translate([fuse_w/2 - wall/sin(atan(fuse_h/fuse_w)), 0, base_wall])
+				cylinder(r = eps, h = base_wall + fuse_top, $fn = 4);
+			translate([0, fuse_h/2 - wall/sin(atan(fuse_w/fuse_h)), base_wall])
+				cylinder(r = eps, h = base_wall + fuse_top, $fn = 4);
+		}
+	}
 }
 
+// now rotate it and cut the bottom
 difference() {
-	body();
-	// screw holes
-	for (x = [-1, 1]) translate([x*screw_d1/2, 0, 0])
-		screw_hole();
-	for (y = [-1, 1]) translate([0, y*screw_d2/2, 0])
-		screw_hole();
-	// tube hole
-	translate([0, 0, -eps])
-		cylinder(r = center_d/2, h = base_wall + 2*eps);
-	// cable slot
-	rotate([0, 0, 45])
-	translate([-cable_slot_w/2, base_d/2-cable_slot_h, -eps])
-		cube([cable_slot_w, 2*cable_slot_h, infty]);
-	// horizontal foam
-	translate([-base_d/2-eps, -foam_horiz/2, base_wall])
-		cube([base_d + 2*eps, foam_horiz, support_h + eps]);
-	// vertical foam
-	translate([-foam_vert/2, -base_d/2-eps, base_wall])
-		cube([foam_vert, base_d + 2*eps, support_h + eps]);
+	rotate([0, angle_horiz, 0])
+	rotate([angle_vert, 0, 0])
+	translate([0, 0, real_base_wall - base_wall])
+		body_diff();
+	translate([-infty/2, -infty/2, -infty])
+		cube(infty);
 }