split_reel/split_reel.scad

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include <./common/common.scad>;
include <./common/threads.scad>;
Core16mm = 25.5;
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Socket16mmH = 11;
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PlatterThickness = 1.6;
Platter120m = 178;
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Thread16mmD = 17.5;
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Pitch16mm = 1.525;
SocketSuper8H = 4;
ThreadSuper8D = 21;
module rotary_text (TextArr = ["T","e","s","t"], D = 40, CharacterAngle = 15) {
Radius = R(D);
Chars = len(TextArr);
for (i = [0:1:Chars]) {
rotate([0, 0, -i * CharacterAngle]) translate([0, Radius, 0]) {
scale([0.5, 0.5, 1]) linear_extrude(height = 1) {
text(TextArr[i], halign = "center");
}
}
}
}
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module thread_16mm ( pos = [0, 0, 0], length = 11, chamfer = false, pad = 0) {
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translate(pos) {
if (chamfer) {
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metric_thread (diameter=Thread16mmD + pad, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=2, leadfac=1.5);
} else {
metric_thread (diameter=Thread16mmD + pad, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=0, leadfac=1.5);
}
}
}
module thread_super8 ( pos = [0, 0, 0], length = 6, chamfer = false, pad = 0) {
translate(pos) {
if (chamfer) {
metric_thread (diameter=ThreadSuper8D + pad, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=2, leadfac=1.5);
} else {
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metric_thread (diameter=ThreadSuper8D + pad, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=0, leadfac=1.5);
}
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}
}
module threaded_core (pos = [0, 0, 0], format = "16mm") {
$fn = 120;
translate (pos) {
if (format == "16mm") {
union () {
cylinder(r = R(Core16mm), h = 6, center = true);
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thread_16mm([0, 0, 1.5], length = Socket16mmH + 3, chamfer = true, pad = -0.2);
}
} else if (format == "super8") {
union () {
cylinder(r = R(Core16mm), h = 4, center = true);
thread_super8([0, 0, 0], length = SocketSuper8H + 3, chamfer = true, pad = -0.2);
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}
}
}
}
module socket_core (pos = [0, 0, 0], format = "16mm") {
$fn = 120;
translate (pos) {
if (format == "16mm") {
difference () {
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cylinder(r = R(Core16mm), h = Socket16mmH, center = true);
}
} else if (format == "super8") {
difference () {
cylinder(r = R(Core16mm), h = SocketSuper8H, center = true);
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}
}
}
}
module platter (pos = [0, 0, 0], length = 120) {
if (length == 120) {
difference () {
cylinder(r = R(Platter120m), h = PlatterThickness, center = true, $fn = 300);
for (i = [0 : 3]) {
rotate([0, 0, i * 90]) translate([105 / 2, 0, 0]) cylinder(r = R(44.5), h = PlatterThickness + 1, center = true, $fn = 100);
}
}
}
}
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module split_reel_16mm_A (length = 120) {
difference () {
union () {
difference () {
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platter([0, 0, 0], length = length);
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translate([0, 0, -0.5]) rotate([180, 0, 0]) rotate([0, 0, (5 * 3.75) / 2]) rotary_text(["1", "6", "m", "m", " ", " ", "1", "2", "0", "m", "/", "4", "0", "0", "f", "t"], D = Platter120m - 15, CharacterAngle=3.75);
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}
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threaded_core([0, 0, (PlatterThickness / 2) + (6 / 2)], format = "16mm");
rotate([0, 0, 135]) translate([18.5, 0, (PlatterThickness / 2) + (4.75 / 2)]) cylinder(r = R(6.25), h = 4.75, center = true, $fn = 60);
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}
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cube([8.5, 8.5, 50], center = true);
rotate([0, 0, 45]) translate([5.5, 0, 0]) cube([3, 3, 50], center = true);
}
}
module split_reel_16mm_B ( length = 120) {
difference () {
union () {
platter([0, 0, 0], length = length);
socket_core([0, 0, (PlatterThickness / 2) + (Socket16mmH / 2)], format = "16mm");
}
rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
thread_16mm([0, 0, -13], 15);
thread_16mm([0, 0, -13.1], 15);
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}
}
}
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module split_reel_super8_A ( length = 120) {
BaseH = 4;
NotchH = 2;
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NotchW = 21;
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difference () {
union () {
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difference () {
platter([0, 0, 0], length = length);
translate([0, 0, -0.5]) rotate([180, 0, 0]) rotate([0, 0, (5 * 3.75) / 2]) rotary_text(["S", "u", "p", "e", "r", "8", " ", " ", "1", "2", "0", "m", "/", "4", "0", "0", "f", "t"], D = Platter120m - 15, CharacterAngle=3.75);
}
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threaded_core([0, 0, (PlatterThickness / 2) + (BaseH / 2)], format = "super8");
rotate([0, 0, 135]) translate([18.5, 0, (PlatterThickness / 2) + (NotchH / 2)]) cylinder(r = R(6.25), h = NotchH, center = true, $fn = 60);
}
cylinder(r = R(13), h = 50, center = true, $fn = 80);
for (i = [0 : 2]) {
rotate([0, 0, i * (360 / 3)]) translate([NotchW / 4, 0, 0]) cube([NotchW / 2, 2.25, 8], center = true);
}
}
}
module split_reel_super8_B ( length = 120) {
difference () {
union () {
platter([0, 0, 0], length = length);
socket_core([0, 0, (PlatterThickness / 2) + (SocketSuper8H / 2)], format = "super8");
}
rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
thread_super8([0, 0, -13], 15);
thread_super8([0, 0, -13.1], 15);
}
}
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}
//length in meters
module split_reel (format = "16mm", length = 120, half = "A") {
if (format == "16mm") {
if (half == "A") {
split_reel_16mm_A(length = length);
} else if (half == "B") {
split_reel_16mm_B(length = length);
}
} else if (format == "super8") {
if (half == "A") {
split_reel_super8_A(length = length);
} else if (half == "B") {
split_reel_super8_B(length = length);
}
}
}
PART = "split_reel_16mm_120m_B";
//intersection () {
if (PART == "split_reel_16mm_120m_A") {
split_reel("16mm", 120, "A");
} else if (PART == "split_reel_16mm_120m_B") {
split_reel("16mm", 120, "B");
} else if (PART == "split_reel_super8_120m_A") {
split_reel("super8", 120, "A");
} else if (PART == "split_reel_super8_120m_B") {
split_reel("super8", 120, "B");
}
//cube([40, 40, 40], center = true);
//}