530 lines
17 KiB
OpenSCAD
530 lines
17 KiB
OpenSCAD
include <./common.scad>;
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include <./knurledFinishLib_v2.scad>
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include <./arduino.scad>
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DISTANCE_TO_BELT_START = 25;
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FAN_SIDE_Z = 45;
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FAN_MOUNT_D = (102 / 2) + 50;
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MOTOR_120_D = 25.2;
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module motor_edge_mount () {
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$fn = 200;
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OUTER_D = 46;
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OUTER_DIVOT = .5;
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OUTER_DIVOT_W = 3;
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OUTER_W = 7;
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difference () {
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cylinder(r = OUTER_D / 2, h = OUTER_W, center = true);
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//DIVOT
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difference () {
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cylinder(r = OUTER_D / 2 + OUTER_DIVOT, h = OUTER_DIVOT_W, center = true);
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cylinder(r = OUTER_D / 2 - OUTER_DIVOT, h = OUTER_W, center = true);
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}
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//BEARING
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bearing(0, 0, 0, hole = false);
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}
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}
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/*module motor_set_screw_120 () {
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cube([10.19, 2.95, 2.95], center = true);
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translate([(10.19 / 2) - (2.56 / 2), 0, 0]) cube([2.56, 5.8, 5.8], center = true);
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}*/
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module motor_set_screw_120 () {
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$fn = 60;
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cylinder(r = 2.95 / 2, h = 10.19, center= true);
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translate([0, 0, (10.19 / 2) - (2.56 / 2)]) cylinder(r = 5.8 / 2, h = 2.56, center = true);
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//translate([(10.19 / 2) - (2.56 / 2), 0, 0]) cube([2.56, 5.8, 5.8], center = true);
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}
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module motor_120 () {
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D = MOTOR_120_D;
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Z = 53.5;
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screw_d = 3.2;
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screw_distance = 17;
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hole_d = 7;
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hole_h = 2.5;
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rod_len = 10;
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cylinder(r = D/2, h = Z, center = true);
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translate([0, 0, Z/2 + (hole_h / 2) + (rod_len / 2)]) hobbled_rod_120( h = rod_len);
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translate([0, 0, Z/2 + (hole_h / 2) ]) cylinder(r = hole_d / 2, h = 2.5, center = true);
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}
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module hobbled_rod_120 (h = 10) {
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d = 4.00;
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diff = 3.33;
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difference () {
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cylinder(r = d/2, h = h, center = true, $fn = 60);
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translate([d/2 + ((d/2) - (d - diff)), 0, 0]) cube([d, d, h + 1], center = true);
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}
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}
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module bearing (x, y, z, width= 8, hole = true) {
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$fn = 160;
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innerD = 8.1;
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outerD = 22.05;
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fuzz = 0.1;
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translate ([x, y, z]) {
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difference () {
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cylinder(r = outerD / 2 + fuzz, h = width, center = true);
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if (hole) {
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cylinder(r = innerD / 2 - fuzz, h = width, center = true);
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}
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}
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}
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}
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module ridged_cylinder (r = 1, h = 1, center = true, ridges, ridge_w, ridge_h) {
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//$fn = 200;
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difference () {
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cylinder(r = r, h = h, center = center);
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for (i = [0: ridges]) {
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rotate([0, 0, (360 / ridges) * i]) translate([0, r - (ridge_h / 2), 0]) cube([ridge_w, ridge_h, h], center = true);
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}
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}
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}
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module belt_driver () {
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$fn = 160;
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BIG_D = 18.5;
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SMALL_D = 13;
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LEN = 27;
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SMALL_LEN = 9;
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BIG_LEN = 15;
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cylinder(r = SMALL_D / 2, h = LEN, center = true);
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translate([0, 0, (LEN / 2) - (BIG_LEN / 2)]) {
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//cylinder(r = BIG_D / 2, h = BIG_LEN, center = true);
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//ridged_cylinder(r = BIG_D / 2, h = BIG_LEN, center = true, ridges = 40, ridge_w = .2, ridge_h = .2);
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translate([0, 0, -7.5]) knurled_cyl(BIG_LEN, BIG_D, 1, 1.5, .5, 0, 0);
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}
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translate([0, 0, -3]) {
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cylinder(r1 = SMALL_D / 2, r2 = BIG_D / 2, h = LEN - BIG_LEN - SMALL_LEN, center = true);
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}
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}
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module motor_mount (){
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$fn = 200;
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DISTANCE = 102;
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INNER_D = MOTOR_120_D;
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SEAT_D = INNER_D + 6;
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SEAT_LEN = 20;
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translate([DISTANCE / 2, 0, 0]) rotate([0, 90, 0]) {
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motor_edge_mount();
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difference () {
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translate([0, 0, -4.5]) cylinder(r = 46/2, h = 2, center = true);
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translate([0, 0, -4.5]) cylinder(r = 8, h = 4, center = true);
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}
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}
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translate([-DISTANCE / 2, 0, 0]) rotate([0, 90, 0]) {
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//motor_edge_mount();
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}
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rotate([0, 90, 0]) {
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difference() {
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cylinder(r = 46 / 2, h = DISTANCE - 6, center = true);
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cylinder(r = INNER_D / 2, h = DISTANCE, center = true);
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translate([0, 0, 23]) motor_seat_120();
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translate([-100 + 6, 0, 0]) cube([200, 200, 200], center = true); //TOP
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translate([0, 0, -100 + 13]) cube([200, 200, 200], center = true); //HALF
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}
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}
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// rotate([0, 90, 0]) translate([0, 0, 23]) motor_seat_120(0);
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//rotate([0, 90, 0]) translate([0, 0, 4]) motor_120();
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}
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module motor_seat_120 (FUZZ = 0.1) {
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$fn = 200;
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INNER_D = MOTOR_120_D;
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OUTER_D = MOTOR_120_D + 6 + FUZZ;
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SEAT_LEN = 20;
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FIN_LEN = (46 - MOTOR_120_D) / 2 + .5;
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screw_d = 3.2;
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screw_distance = 17;
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hole_d = 7;
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hole_h = 2.5;
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bolt_end = 5.4;
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difference () {
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cylinder(r = OUTER_D / 2, h = SEAT_LEN, center = true);
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translate([0, 0, -2.5]) cylinder(r = INNER_D / 2, h = SEAT_LEN, center = true);
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translate([-100 - 6, 0, 0]) cube([200, 200, 200], center = true);
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cylinder(r = hole_d / 2, h = SEAT_LEN * 2, center = true);
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translate([0, 0, 0]) {
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translate([0, screw_distance/2, 0]) cylinder(r=screw_d/2, h=SEAT_LEN * 2, center = true);
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translate([0, -screw_distance/2, 0]) cylinder(r=screw_d/2, h=SEAT_LEN * 2, center = true);
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//bolt ends
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translate([0, screw_distance/2, SEAT_LEN / 2]) cylinder(r=bolt_end/2, h=2, center = true);
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translate([0, -screw_distance/2, SEAT_LEN / 2]) cylinder(r=bolt_end/2, h=2, center = true);
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}
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}
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if (FUZZ != 0) {
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translate([19, 0, 5]) rotate([90, 90, 0]) M5_bolt(25);
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translate([19, 0, -5]) rotate([90, 90, 0]) M5_bolt(25);
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}
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difference () {
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translate([(INNER_D / 2) + (FIN_LEN / 2), 0, 0]) cube([FIN_LEN, 2 + FUZZ, SEAT_LEN], center= true);
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if (FUZZ == 0) {
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translate([19, 0, 5]) rotate([90, 90, 0]) M5_bolt();
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translate([19, 0, -5]) rotate([90, 90, 0]) M5_bolt();
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}
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}
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}
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module M5_bolt ( extra = 0) {
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LEN = 25;
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D = 4.91;
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cylinder(r = D/2, h = LEN + extra, center = true);
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}
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module rod () {
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$fn = 160;
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WIDTH = 67;
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BEARING_D = 8.05;
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SMALL_D = 13;
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SMALL_WIDTH = 38.5;
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FUZZ = 0.1;
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HOBBLED_LEN = 10;
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translate([0, 0, -6]) {
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difference () {
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cylinder(r = BEARING_D / 2 - FUZZ, h = WIDTH, center = true); //bearing passthrough
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translate([0, 0, -(WIDTH / 2) + (HOBBLED_LEN / 2) - .01]) hobbled_rod_120(h = HOBBLED_LEN);
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translate([0, 0, -(WIDTH / 2) + (HOBBLED_LEN / 2)]) rotate([0, 90, 0]) translate([0, 0, 6.425]) motor_set_screw_120();
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}
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}
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translate([0, 0, 0]) cylinder(r = SMALL_D / 2, h = SMALL_WIDTH, center = true); //full thickness rod
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translate([0, 0, -2]) belt_driver();
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}
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module rod_end () {
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$fn = 160;
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OUTER_D = 23;
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BEARING_D = 8.05 - 0.1;
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H = 8;
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difference () {
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cylinder(r = OUTER_D /2, h = H, center = true);
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cylinder(r = BEARING_D/2, h = H + 1, center = true);
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translate([6.425, 0, 0]) rotate([0, 90, 0]) motor_set_screw_120();
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}
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}
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module fan_mount_replacement () {
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$fn = 100;
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BOLT_D = 4;
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BOLT_TOP = 14;
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BOLT_TOP_Z = 3;
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X = 74;
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Y = 87;
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Z = 8;
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WIDTH = 19;
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BOLT_SPACE_X = 63;
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BOLT_SPACE_Y = 76;
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BOLT_TOP_POS = (Z / 2) - (BOLT_TOP_Z / 2) + 0.01;
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difference () {
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rounded_cube([X, Y, Z], 8, center = true); //main plate
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rounded_cube([X - (WIDTH * 2), Y - (WIDTH * 2), Z + 1], 6, center = true); //inner void
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//bolt holes
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translate([BOLT_SPACE_X / 2, BOLT_SPACE_Y / 2, 0]) cylinder(r = BOLT_D / 2, h = Z + 1, center = true);
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translate([-BOLT_SPACE_X / 2, BOLT_SPACE_Y / 2, 0]) cylinder(r = BOLT_D / 2, h = Z + 1, center = true);
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translate([-BOLT_SPACE_X / 2, -BOLT_SPACE_Y / 2, 0]) cylinder(r = BOLT_D / 2, h = Z + 1, center = true);
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translate([BOLT_SPACE_X / 2, -BOLT_SPACE_Y / 2, 0]) cylinder(r = BOLT_D / 2, h = Z + 1, center = true);
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//BOLT TOP
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translate([BOLT_SPACE_X / 2, BOLT_SPACE_Y / 2, BOLT_TOP_POS]) cylinder(r = BOLT_TOP / 2, h = BOLT_TOP_Z, center = true);
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translate([-BOLT_SPACE_X / 2, BOLT_SPACE_Y / 2, BOLT_TOP_POS]) cylinder(r = BOLT_TOP / 2, h = BOLT_TOP_Z, center = true);
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translate([-BOLT_SPACE_X / 2, -BOLT_SPACE_Y / 2, BOLT_TOP_POS]) cylinder(r = BOLT_TOP / 2, h = BOLT_TOP_Z, center = true);
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translate([BOLT_SPACE_X / 2, -BOLT_SPACE_Y / 2, BOLT_TOP_POS]) cylinder(r = BOLT_TOP / 2, h = BOLT_TOP_Z, center = true);
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}
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}
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module fan_bearing_mount () {
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$fn = 160;
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OUTER_D = 45;
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OUTER_W = 12;
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difference () {
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union() {
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cylinder(r = OUTER_D / 2, h = OUTER_W, center = true); //cylindrical base
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translate([FAN_SIDE_Z / 2, 0, 0]) cube([FAN_SIDE_Z, OUTER_D, OUTER_W], center = true); //straight base
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}
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bearing(0, 0, -2.01, hole = false);
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cylinder(r = 8, h= 20, center = true);
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}
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}
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module fan_mount() {
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translate ([0, 0, 4]) rotate([0, 0, 90]) fan_mount_replacement();
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translate ([-19, 0, FAN_SIDE_Z]) rotate([0, 90, 0]) fan_bearing_mount();
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}
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module partition () {
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$fn = 60;
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W = 4.3;
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difference () {
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cube([100, W, 100], center = true);
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translate([0, 0, -20]) cube([25, W + 1, 32], center = true);
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translate([-22, 0, -38.5]) cube([57, W + 1, 6], center = true);
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translate([-25, 0, -1]) cube([25, W + 1, 43 + 32 + 6], center = true);
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translate([-50, 0, -1]) cube([25, W + 1, 43 + 32 + 6 + 35], center = true);
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translate([-3 , 0, 6])rotate([90, 0, 0]) cylinder(r = 12.6 / 2, h = W + 1, center = true);
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translate([-32 , 0, 43])rotate([90, 0, 0]) cylinder(r = 1.5, h = W + 1, center = true);
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translate([-32 + 16 , 0, 43])rotate([90, 0, 0]) cylinder(r = 1.5, h = W + 1, center = true);
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}
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}
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module wheel () {
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$fn = 120;
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BIG_D = 44.25;
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SMALL_D = 41.11;
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LEN = 20;
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cylinder(r = BIG_D/2, h = 8, center = true);
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translate([0, 0, 8 - 2]) cylinder(r2 = SMALL_D/2, r1 = BIG_D/2, h = 4, center = true);
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translate([0, 0, 8 + 2 + 2]) cylinder(r = SMALL_D/2, h = 8, center = true);
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}
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module l289N_mount () {
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$fn = 60;
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DISTANCE = 36.5;
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H = 4;
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THICKNESS = 3;
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module stand () {
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cylinder(r1 = 4, r2 = 3, h = H, center = true);
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translate([0, 0, 1.5]) cylinder(r = 1, h = H + 3, center = true);
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}
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translate([0, 0, 0]) stand();
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translate([DISTANCE, 0, 0]) stand();
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translate([DISTANCE, DISTANCE, 0]) stand();
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translate([0, DISTANCE, 0]) stand();
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difference () {
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translate([DISTANCE/2, DISTANCE/2, -3]) rounded_cube([DISTANCE + 8, DISTANCE + 8, THICKNESS], 8, center = true); //base
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translate([DISTANCE/2, DISTANCE/2, -3]) rounded_cube([DISTANCE - 5, DISTANCE - 5, THICKNESS], 10, center = true); //base
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}
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translate([20, 25, -3]) base_mount_1();
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}
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module endstop () {
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$fn = 20;
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cube([33, 10, 1.5], center = true);
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translate([-4, 0, (3 / 2) + (1.5 / 2)]) rounded_cube([24, 6, 3], d = 2,center = true);
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translate([-4 + 4, 0, (8 / 2) + 3 + (1.5 / 2)]) cube([4.25, 6, 8], center = true);
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translate([-4 - 4, 0, (8 / 2) + 3 + (1.5 / 2)]) cube([4.25, 6, 8], center = true);
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translate([13.75, 0, -5.5]) cube([5.5, 10, 9.5], center = true);
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}
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module endstop_mount () {
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STEM_W = 14;
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difference () {
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cube([20, 12, 15], center = true); //base
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translate([0, 0, -4]) cube([21, 4.4, 15], center = true);
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rotate([90, 90, 0]) translate([2, 0, -4]) cylinder(r = 1, h = 5, center = true, $fn = 20);
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}
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rotate([55, 0, 0]) translate([0, 0, 21.5]) {
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difference () {
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translate([3, 0, 0]) cube([STEM_W, 6, 38], center = true);
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translate([3, 1, -21]) rotate([-60, 0, 0]) cube([STEM_W + 1, 6, 6], center = true);
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}
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difference () {
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translate([-10, 0, 12]) cube([30, 6, 14], center = true);
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translate([-19, 0, 12]) cube([5.5 + .1, 10 + .1 , 9.5 + .1], center = true);
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}
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}
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}
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module microswitch (position = [0, 0, 0], rotation = [0, 0, 0]) {
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translate(position) {
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rotate(rotation) {
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cube([16, 28, 10.5], center = true);
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translate([10, 8, 0]) rotate([0, 0, -7]) cube([1, 28, 4], center = true); //arm
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translate([8 + 7, 14 + 8, 0]) cylinder(r = 2.5, h = 4, center = true); //wheel
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translate([0, -19, 0]) cube([7, 11, 10.5], center = true);
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}
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}
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}
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module microswitch_mount () {
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translate ([4.5, 0, 0]) {
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difference () {
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cube([24, 12, 15], center = true); //base
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translate([0, 0, -4]) cube([25, 4.4, 15], center = true);
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rotate([90, 90, 0]) translate([2, 0, -4]) cylinder(r = 1.5, h = 5, center = true, $fn = 20);
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}
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}
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rotate ([35, 0, 0]) {
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translate([0, -9, 15]) {
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difference () {
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translate([-1, 0, 0]) cube([13, 20, 20], center = true);
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translate([-1, -8, -13]) rotate([-35, 0, 0]) cube([13, 20, 20], center = true);
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translate([-1, 8, 21]) rotate([-35, 0, 0]) cube([13, 20, 20], center = true);
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translate([-1, 0, 15.5]) rotate([90, 0, 90]) microswitch();
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}
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}
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}
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}
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module microswitch_bump () {
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$fn = 240;
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BIG_D = 44.25;
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W = 7;
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difference () {
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scale([.8, 1.2, 1]) cylinder(r = BIG_D / 2, h = W, center = true);
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cylinder(r = BIG_D / 2, h = W + 1, center = true);
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translate([0, 25, 0]) cube([50, 50, 50], center = true);
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}
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difference () {
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cylinder(r = (BIG_D / 2) + 1, h = W, center = true);
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cylinder(r = BIG_D / 2, h = W + 1, center = true);
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}
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}
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//To attach electronics to projector base
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//L298N
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module base_mount_1 () {
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$fn = 120;
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BOLT_W = 63.5;
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BOLT_D = 5;
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difference () {
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rounded_cube([79, 15, 3], d = 4, center = true);
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translate([BOLT_W / 2, 0, 0]) cylinder(r = BOLT_D/2, h = 4, center = true);
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translate([-BOLT_W / 2, 0, 0]) cylinder(r = BOLT_D/2, h = 4, center = true);
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}
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}
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//arduino
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module base_mount_2 () {
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$fn = 120;
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BOLT_W = 75;
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BOLT_D = 4;
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difference () {
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|
rounded_cube([85, 12, 3], d = 4, center = true);
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|
translate([BOLT_W / 2, 0, 0]) cylinder(r = BOLT_D/2, h = 4, center = true);
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|
translate([-BOLT_W / 2, 0, 0]) cylinder(r = BOLT_D/2, h = 4, center = true);
|
|
}
|
|
}
|
|
|
|
//using uno and duemilanov
|
|
module arduino_mount () {
|
|
$fn = 120;
|
|
|
|
translate([25, 10, 0]) base_mount_2();
|
|
translate([25, 10 + 32, 0]) {
|
|
difference () {
|
|
base_mount_2();
|
|
translate([10, 0, 0]) cube([65, 12, 3], center = true);
|
|
}
|
|
}
|
|
standoffs(UNO);
|
|
translate ([27, 40, 0]) {
|
|
difference () {
|
|
rounded_cube([57, 60, 3], d = 4, center = true);
|
|
rounded_cube([42, 44, 4], d = 4, center = true);
|
|
}
|
|
}
|
|
}
|
|
|
|
//To hold up a lever which allows motor to control all aspects of the
|
|
//geared aparatus - Unique to the B&H projector used in project
|
|
module b_and_h_singleton () {
|
|
x = 9;
|
|
y = 7.5;
|
|
cube([x, y, 10], center = true);
|
|
translate([ 0, 0, -5.5]) cube([x + 2, y + 2, 1], center = true);
|
|
}
|
|
|
|
module flashlight_mount () {
|
|
$fn = 100;
|
|
FLASHLIGHT_D = 25.3;
|
|
ROD_D = 12.6;
|
|
difference () {
|
|
rotate([0, 90, 0]) cylinder(r = FLASHLIGHT_D / 2 + 3, h = ROD_D, center = true);
|
|
rotate([0, 90, 0]) cylinder(r = FLASHLIGHT_D / 2, h = ROD_D + .1, center = true);
|
|
}
|
|
|
|
translate([0, -35, 0]) rotate([90, 0, 0]) {
|
|
difference () {
|
|
cylinder(r = ROD_D / 2, h = 43, center = true);
|
|
translate([-10, 0, 24.5]) cube([15, 15, 15], center = true);
|
|
}
|
|
}
|
|
translate([0, -46.4, 0]) {
|
|
difference() {
|
|
rotate ([90, 90, 0]) cylinder(r = (ROD_D / 2) + 2, h = 3, center = true);
|
|
translate([50 + (ROD_D / 2), 0, 0]) cube([100, 100, 100], center = true);
|
|
translate([-50 - (ROD_D / 2), 0, 0]) cube([100, 100, 100], center = true);
|
|
}
|
|
}
|
|
}
|
|
|
|
module flashlight_mount_cap (DEBUG = false) {
|
|
$fn = 120;
|
|
ROD_D = 12.6;
|
|
translate([0, 0, 0]) rotate([90, 0, 0]) {
|
|
difference () {
|
|
union () {
|
|
translate([0, 0, 0]) cylinder(r = 11, h = 7, center = true);
|
|
translate([-6, 0, 0]) cube([12, 22, 7], center = true);
|
|
translate([-11.5, 0, -3]) cube([4, 22, 13], center = true);
|
|
}
|
|
difference () {
|
|
translate([0, 0, -(7 - 4.5) / 2 - .1]) cylinder(r = ROD_D / 2, h = 4.5, center = true);
|
|
translate([-10, 0, 0]) cube([15, 15, 15], center = true);
|
|
}
|
|
if (DEBUG) {
|
|
translate([0, 50, 0]) cube([100, 100, 100], center = true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
module bolex_stand () {
|
|
//rough measurements
|
|
//BOLEX, bottom to mid frame 114
|
|
//165 from table to center projector frame
|
|
ADJ = 6; // adjustment
|
|
H = 51 + ADJ; //165 - 114;
|
|
QR_H = H - 22 - (ADJ / 2);
|
|
difference () {
|
|
translate([0, -3.5, QR_H]) cube([70, 88, H], center = true);
|
|
difference () {
|
|
translate(plate_center) cube([50, 90, 11], center = true);
|
|
sides_flat();
|
|
sides_angled();
|
|
}
|
|
//translate([0, 0, 40]) cube([35, 150, 30], center = true);
|
|
}
|
|
}
|
|
|
|
PART="rod";
|
|
|
|
if (PART == "rod") {
|
|
rod();
|
|
}
|