141 lines
4.1 KiB
OpenSCAD
141 lines
4.1 KiB
OpenSCAD
use <./common/common.scad>;
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$fn = 160;
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time = 0;
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L = 254;
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W = 13;
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H = 3;
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CENTER_D = 6.39;
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CENTER_H = 9.76;
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SIDE_D = 3.24;
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SIDE_L = 11.92;
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SIDE_SPACE = 192; //SPACE BETWEEN INNER PARTS
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//http://www.cartoonsupplies.com/content/acme-pegbar-plastic
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module rounded_bar (arr = [50, 10, 10], fn = 60) {
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$fn = fn;
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cube([arr[0] - arr[1], arr[1], arr[2]], center = true);
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translate ([(arr[0] / 2) - (arr[1] / 2), 0, 0]) {
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cylinder(r = R(arr[1]), h = arr[2], center = true);
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}
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translate ([-(arr[0] / 2) + (arr[1] / 2), 0, 0]) {
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cylinder(r = R(arr[1]), h = arr[2], center = true);
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}
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}
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module pegbar_acme () {
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rounded_bar([L, W, H], $fn);
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//cube([20, W, H], center = true);
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center_peg([0, 0, (CENTER_H / 2) - .5], CENTER_D, CENTER_H);
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acme_peg([(SIDE_SPACE / 2) + (SIDE_L / 2), 0, (CENTER_H / 2) + .3 ], SIDE_D, SIDE_L, CENTER_H);
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acme_peg([-(SIDE_SPACE / 2) - (SIDE_L / 2), 0, (CENTER_H / 2) + .3 ], SIDE_D, SIDE_L, CENTER_H);
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}
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module center_peg (pos = [0, 0, 0], D = 6, H = 9) {
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translate(pos) {
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cylinder(r = R(D), h = H - (D / 2), center = true);
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translate([0, 0, (H / 2) - (D / 4)]) {
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difference () {
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sphere(r = R(D));
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translate([0, 0, -D]) cube([D*2, D*2, D*2], center = true);
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}
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}
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}
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}
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module acme_peg (pos = [0, 0, 0], D = 3, L = 11, H = 9) {
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translate(pos) {
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rounded_bar([L, D, H - (D / 2)], fn = $fn);
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translate([0, 0, (H / 2) - (D / 4)]) {
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difference () {
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union () {
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rotate([0, 90, 0]) cylinder(r = R(D), h = L - D, center = true);
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translate([(L / 2) - (D / 2), 0, 0]) sphere(r = R(D));
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translate([-(L / 2) + (D / 2), 0, 0]) sphere(r = R(D));
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}
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translate([0, 0, -L]) cube([L * 2, L * 2, L * 2], center = true);
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}
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}
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}
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}
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module pegbar_acme_small_printer () {
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difference () {
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pegbar_acme();
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translate([150 + 20, 0, 0]) cube([300, 300, 300], center = true);
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translate([20, 0, .75]) {
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difference (){
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cube([5, 13 + 1, 1.5], center = true);
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cube([5, 4, 10], center = true);
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}
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}
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}
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translate([20, 20, 0]) {
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difference () {
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pegbar_acme();
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translate([150 - 20, 0, 0]) cube([300, 300, 300], center = true);
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translate([-20, 0, -.75]) {
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cube([5, 13 + 1, 1.5], center = true);
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cube([5, 4, 10], center = true);
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}
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}
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}
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}
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module pegbar_acme_three_piece () {
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difference () {
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pegbar_acme();
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translate([150 + (254 / 6), 0, 0]) cube([300, 300, 300], center = true);
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translate([-150 - (254 / 6), 0, 0]) cube([300, 300, 300], center = true);
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translate([(254 / 6), 0, .75]) {
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difference () {
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cube([5, 13 + 1, 1.5], center = true);
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cube([5, 4, 10], center = true);
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}
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}
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translate([-(254 / 6), 0, .75]) {
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difference () {
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cube([5, 13 + 1, 1.5], center = true);
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cube([5, 4, 10], center = true);
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}
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}
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}
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translate([(254 / 3), 20, 0]) {
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difference () {
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pegbar_acme();
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translate([150 - (254 / 6), 0, 0]) cube([300, 300, 300], center = true);
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translate([-(254 / 6), 0, -.75]) {
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cube([5, 13 + 1, 1.5], center = true);
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cube([5, 4, 10], center = true);
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}
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}
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}
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translate([(254 / 3), -20, 0]) {
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difference () {
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pegbar_acme();
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translate([150 - (254 / 6), 0, 0]) cube([300, 300, 300], center = true);
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translate([-(254 / 6), 0, -.75]) {
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cube([5, 13 + 1, 1.5], center = true);
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cube([5, 4, 10], center = true);
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}
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}
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}
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}
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PART = "acme";
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if (PART == "acme") {
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pegbar_acme();
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} else if (PART == "acme_small_printer") {
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pegbar_acme_small_printer();
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} else if (PART == "acme_three_piece") {
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pegbar_acme_three_piece();
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}
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//
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//
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