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time = 0;
$fn = 140;
FILM = 16; //Film width
GATE = 16; //Gate width
SPROCKET = 4;
FL_D = 27; //Flashlight diameter
SLEEVE = 10;//Sleeve length
T = 3; //Snoot thickness
DIST = 25.4;//Slit distance
module snoot (SLIT = 1) {
//flashlight sleeve
difference () {
cylinder(r = (FL_D / 2) + T, h = SLEEVE, center = true);
cylinder(r = (FL_D / 2), h = SLEEVE + 1, center = true);
}
//tube
translate ([0, 0, -(SLEEVE / 2) - (DIST / 2) + (T / 2)]) {
difference () {
cylinder(r2 = (FL_D / 2) + T, r1 = (FILM / 2) + (T / 2), h = DIST - T, center = true);
cylinder(r2 = (FL_D / 2), r1 = (FILM / 2), h = DIST - T + .1, center = true);
translate([0, 1, 0]) {
cube([SLIT , FILM, T + 1], center = true);
}
}
}
//tube + slit joiner
translate ([0, 0, -(SLEEVE / 2) - DIST + T]) {
difference () {
cylinder(r = (FILM / 2) + (T / 2), h = T, center = true);
translate([0, 0, 0]) {
cube([SLIT , FILM, T + 1], center = true);
}
}
}
//slit
translate ([0, 1, -(SLEEVE / 2) - DIST + (T / 2) - 1]) {
difference () {
intersection () {
translate ([0, -1, 0]) cylinder(r = (FILM / 2) + (T / 2), h = T, center = true);
translate ([0, -3, 0]) cube([FILM + (T * 2), FILM + T, T], center = true);
translate ([0, 0, 0]) rotate([90, 0, 0]) {
scale([3, .6, 1]) cylinder(r = T / 1.2, h = FILM + T * 2, center = true);
translate ([0, 1.6, 0]) cube([(T / 1.2) * 2 * 3, (T / 1.2) * 2 * .6, FILM + T * 2], center = true);
}
}
translate([0, -1, 0]) cube([SLIT, FILM, T + 1], center = true); //slit
//sprocket
translate([0, (FILM / 2) - (SPROCKET / 2) + (T / 2) - 1, 0]) cube([SLIT + T * 6, SPROCKET, T + 1], center = true);
}
}
difference () {
union () {
translate([0, (16 / 2) + 1.1, -SLEEVE - DIST + 9]) rotate([90, 0, 0]) {
cylinder(r = 16 / 2, h = 2, center = true);
}
translate([0, -(16 / 2) - 1.1, -SLEEVE - DIST + 9]) rotate([90, 0, 0]) {
cylinder(r = 16 / 2, h = 2, center = true);
}
}
translate ([0, 0, -(SLEEVE / 2) - (DIST / 2) + (T / 2)]) {
cylinder(r2 = (FL_D / 2), r1 = (FILM / 2), h = DIST - T + .1, center = true);
}
}
}
module flat_path () {
L = .5;
cube([L, 16, 3], center = true);
translate([0, (16 / 2) - (3 / 2), 2]) cube([L, 3, 3], center = true);
translate([0, -(16 / 2) + (3 / 2), 2]) cube([L, 3, 3], center = true);
translate([0, (16 / 2) - (3 / 2), 3.5]) cube([L, 1.5, 3], center = true);
}
//snoot();
translate([0, -1, 36]) rotate([0, 0, time]) snoot(1);
//translate([0, -1, 1]) flat_path();