317 lines
11 KiB
OpenSCAD
317 lines
11 KiB
OpenSCAD
//V2
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include <../libraries/gnal.scad>;
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SPOKE_COUNT = 24;
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PART="";
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module gnal_spiral_100ft (spiral_count = 60, od = 298.75) {
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outer_d = 299;
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outer_d_inside = outer_d - 6;
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outer_h = 7.5;
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spoke_len = 123;
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spoke_w = 3;
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spoke_h = 4.2 + 3;
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spoke_2_len = 85;
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spoke_cross_1_d = 63;
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spoke_cross_1_w = 18;
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spoke_cross_2_d = 108;
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spoke_cross_2_w = 15;
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spoke_3_len = 39;
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spoke_3_w = 2;
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translate([0, 0, -3.6]) difference () {
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cylinder(r = outer_d / 2, h = spoke_h, center = true, $fn = 500);
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cylinder(r = outer_d_inside / 2, h = outer_h + 1, center = true, $fn = 500);
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}
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difference () {
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gnal_spiral_core();
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//rounded spoke voids
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for (i = [0 : SPOKE_COUNT]) {
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rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
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translate([0, 26.75, 0]) {
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cylinder(r = 2, h = 20, center = true, $fn = 40);
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}
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}
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}
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}
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//main spokes
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for (i = [0 : SPOKE_COUNT]) {
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rotate([0, 0, i * (360 / SPOKE_COUNT)]) {
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translate([(spoke_len / 2) + (48 / 2), 0, -3.6]) {
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cube([spoke_len, spoke_w, spoke_h], center = true);
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}
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}
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}
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//secondary spokes
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for (i = [0 : SPOKE_COUNT]) {
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rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
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translate([(outer_d / 2) - (spoke_2_len / 2) - 2, 0, -3.6]) {
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cube([spoke_2_len, spoke_w, spoke_h], center = true);
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}
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}
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}
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//spoke cross bars
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for (i = [0 : SPOKE_COUNT]) {
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rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
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translate([63, 0, -3.6]) {
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rotate([0, 0, 20]) {
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cube([ spoke_w, 18, spoke_h], center = true);
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}
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}
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}
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}
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//second spokes
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for (i = [0 : SPOKE_COUNT]) {
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rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
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translate([(outer_d / 2) - (spoke_2_len / 2) - 2, 0, -3.6]) {
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cube([spoke_2_len, spoke_w, spoke_h], center = true);
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}
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}
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}
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//second spoke cross pieces
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for (i = [0 : SPOKE_COUNT * 2]) {
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rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2))]) {
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translate([spoke_cross_2_d, 0, -3.6]) {
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rotate([0, 0, -20]) {
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cube([ spoke_w, spoke_cross_2_w, spoke_h], center = true);
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}
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}
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}
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}
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//third spokes
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for (i = [0 : SPOKE_COUNT * 2]) {
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rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2))]) {
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translate([(outer_d / 2) - (spoke_3_len / 2) - 2, 0, -3.6]) {
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cube([spoke_3_len, spoke_3_w, spoke_h], center = true);
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}
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}
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}
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//translate([0, 0, 1]) rotate([0, 0, 0]) spiral_2 (START_D = 46.95, SPIRALS = spirals); //12 //40
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//translate([0, 0, -.1]) rotate([0, 0, -90]) film_guide(spiral_count, 298.75);
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//translate([0, 0, -.1]) spirals_old(spiral_count, 46.95 - 1.2, 2.075);
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translate([0, 0, -.1]) {
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rotate([0, 0, -90]) {
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difference () {
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film_guide(spiral_count, od);
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for (i = [0 : SPOKE_COUNT]) {
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rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT) ]) {
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translate([(83 / 4) + (48 / 2), 0, -3.6]) triangle_void();
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}
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}
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for (i = [0 : SPOKE_COUNT * 2]) {
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rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2)) ]) {
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translate([(258 / 2) - (spoke_2_len / 2) + 1 , 0, -3.6]) triangle_void_2();
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}
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}
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for (i = [0 : SPOKE_COUNT * 4]) {
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rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 4)) ]) {
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if (i % 2 == 0) {
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translate([(outer_d / 2) - (spoke_3_len / 2) + 1 , 0.3, -3.6]) triangle_void_3();
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} else {
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translate([(outer_d / 2) - (spoke_3_len / 2) + 1, -0.3, -3.6]) triangle_void_3();
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}
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}
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}
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}
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}
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}
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}
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module spacer_ridges () {
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ridges = 16;
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for (i = [0 : ridges]) {
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rotate([0, 0, i * (360 / ridges)]) translate([13.5, 0, 0]) cylinder(r = 1.25, h = 8, $fn = 60);
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}
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}
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module spacer_ridges_loose () {
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ridges = 16;
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intersection () {
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union () {
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for (i = [0 : ridges]) {
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rotate([0, 0, i * (360 / ridges)]) translate([13.7, 0, 0]) cylinder(r = 1.25, h = 8, $fn = 60);
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}
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}
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cylinder(r = 13.7, h = 12, center = true);
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}
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}
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module spacer_outer_ridges () {
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ridges = 24;
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H = 6.5;
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difference () {
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union () {
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for (i = [0 : ridges]) {
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rotate([0, 0, i * (360 / ridges)]) translate([14.6, 0, -4.75]) cylinder(r = 1.25, h = 8, $fn = 30);
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}
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}
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translate([0, 0, -4.1]) difference () {
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cylinder(r = 33 / 2, h = 4, center = true, $fn = 100);
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cylinder(r2 = 33 / 2, r1 = 27.75 / 2, h = 4.1, center = true, $fn = 100);
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}
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}
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}
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module gnal_spiral_100ft_spacer () {
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add = 3.25;
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core_d = 29.5;
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core_bottom_d = 26.2 + .2;
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void_d = 22.5;
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h = 8 + add;
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translate([0, 0, (add / 2) - 1]) difference () {
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union () {
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difference () {
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cylinder(r = core_d / 2, h = h, center = true, $fn = 200);
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translate([0, 0, 8]) cylinder(r = core_bottom_d / 2, h = h, center = true, $fn = 200);
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cylinder(r = void_d / 2, h = h + 1, center = true, $fn = 200);
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}
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translate([0, 0, 0]) spacer_ridges_loose();
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spacer_outer_ridges();
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}
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//trim top
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translate([0, 0, h - 0.1]) cylinder(r = (core_d + 1) / 2, h = h, center = true, $fn = 200);
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//trim bottom
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translate([0, 0, -h + 0.9]) cylinder(r = (core_d + 1) / 2, h = h, center = true, $fn = 200);
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//finger grips
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//translate([0, 24, 0]) rotate([-6, 0, 0]) cylinder(r = 10, h = 6, center = true, $fn = 100);
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//translate([0, -24, 0]) rotate([6, 0, 0]) cylinder(r = 10, h = 6, center = true, $fn = 100);
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}
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}
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module gnal_100ft_top () {
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H = 5;
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center_d = 53;
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spoke_w = 4.5;
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spokes = 12;
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outer_d = 299;
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inner_d = 150;
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inner_d_2 = 215;
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void_d = 22.5;
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hole_d = 3.5;
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hole_spacing = 37;
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core_d = 29.5;
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core_bottom_d = 26.2;
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difference () {
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union () {
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cylinder(r = center_d / 2, h = H, center = true, $fn = 100);
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for (i = [0 : spokes]) {
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rotate([0, 0, i * (360 / spokes)]) translate([0, outer_d / 4, 0]) cube([spoke_w, (outer_d / 2) - 1, H], center = true);
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}
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//outer spokes
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for (i = [0 : spokes * 2]) {
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rotate([0, 0, i * (360 / (spokes * 2))]) translate([0, (outer_d / 2) - 25, 0]) cube([spoke_w, (outer_d / 2) - (inner_d_2 / 2) , H], center = true);
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}
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}
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//void
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cylinder(r = void_d / 2, h = H + 1, center = true, $fn = 100);
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//speed holes
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for (i = [0 : 3]) {
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rotate([0, 0, (i * 90) + 45]) translate([0, hole_spacing / 2, 0]) cylinder(r = hole_d / 2, h = H + 1, center = true);
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}
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//rounding of center cylinder
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for (i = [0 : spokes]) {
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rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([-2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
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rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
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rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([0, 26.5, 0]) cube([5, 4, H + 1], center = true);
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}
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}
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difference () {
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cylinder(r = (center_d / 2) - 1.8, h = H, center = true, $fn = 200);
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cylinder(r = (hole_spacing / 2) + 2, h = H + 1, center = true, $fn = 200);
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}
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//outer ring
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difference () {
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cylinder(r = outer_d / 2, h = H, center = true, $fn = 200);
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cylinder(r = (outer_d / 2) - 5, h = H + 1, center = true, $fn = 200);
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}
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//inner ring
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difference () {
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cylinder(r = inner_d / 2, h = H, center = true, $fn = 200);
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cylinder(r = (inner_d / 2) - 5, h = H + 1, center = true, $fn = 200);
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}
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//second inner ring
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difference () {
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cylinder(r = inner_d_2 / 2, h = H, center = true, $fn = 200);
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cylinder(r = (inner_d_2 / 2) - 5, h = H + 1, center = true, $fn = 200);
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}
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//rounded cross connectors
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for (i = [0 : spokes]) {
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rotate([0, 0, i * (360 / spokes)]) translate([0, (inner_d / 2) - (spoke_w / 2), 0]) difference() {
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cylinder(r = 6.5, h = H, center = true);
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translate([6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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translate([-6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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translate([-6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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translate([6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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}
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}
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difference () {
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union () {
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translate([0, 0, 3.75 + 1]) cylinder(r = core_d / 2, h = H, center = true, $fn = 60);
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translate([0, 0, 3.75 + 1 + 3.2]) cylinder(r = core_bottom_d / 2, h = H, center = true, $fn = 60);
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}
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cylinder(r = void_d / 2, h = H * 5 , center = true, $fn = 100);
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translate([0, 0, 4 + 1 + 2.25]) spacer_ridges();
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}
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//rounded second ring connectors
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for (i = [0 : spokes]) {
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rotate([0, 0, i * (360 / spokes)]) translate([0, 205 / 2, 0]) difference () {
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translate([0, 2, 0]) cube([13, 12, H], center = true);
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translate([6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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translate([-6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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translate([6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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translate([-6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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}
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}
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//second ring connectors
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for (i = [0 : spokes * 2]) {
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rotate([0, 0, i * (360 / (spokes * 2))]) translate([0, 205 / 2, 0]) difference () {
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translate([0, 4, 0]) cube([13, 8, H], center = true);
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translate([6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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translate([-6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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}
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}
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for (i = [0 : spokes * 2]) {
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rotate([0, 0, i * (360 / (spokes * 2))]) translate([0, 289 / 2, 0]) difference () {
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translate([0, 0, 0]) cube([13, 9, H], center = true);
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translate([6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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translate([-6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
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}
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}
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}
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module film_guide (rotations = 40, od = 215.75) {
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SPIRALROTATION=rotations * 360;
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SPIRALSTEPS=180;
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INITIALRADIUS= od / 2; //300 / 2;
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PITCH=2.07675;
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XMAXSHAPE=2;
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InwardSpiral (
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SPIRALROTATION/SPIRALSTEPS,
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SPIRALSTEPS,
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INITIALRADIUS,
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PITCH,
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XMAXSHAPE);
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}
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if (PART == "spiral") {
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gnal_spiral_100ft();
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} else if (PART == "") {
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gnal_100ft_top();
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} |