Migrate motor modules to their own library file, may have cascading effects throughout different projects.
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common.scad
94
common.scad
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@ -137,78 +137,20 @@ module trap_cube(height = 19, top_x = 30, top_y = 34, bottom_x = 45, bottom_y =
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}
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}
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module NEMA17_motor_shaft (L = 22.75) {
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//shaft
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difference () {
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cylinder(r = R(5), h = L, center = true, $fn = 30);
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translate([0, 4.5, 4.7]) cube([5, 5, L+1], center = true);
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// switch module
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module optoswitch() {
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difference(){
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union (){
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color("gray") cube([24.5,3.5,6.4]);
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color("gray")translate([6.63,0,0]) cube([4.45,11.3,6.3]);
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color("gray")translate([13.63,0,0]) cube([4.45,11.3,6.3]);
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}
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for ( hole = [2.75,24.5-2.75] ){
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rotate([90,0,0]) translate([hole,6.4/2,-4]) cylinder(r=1.5, h=4.5,$fn=40);
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}
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}
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}
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//NEMA17 Stepper
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module NEMA17 ( H = 33 ) { //alt = 47.5
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difference () {
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cube([42, 42, H], center = true);
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for (i = [0 : 3]) {
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rotate([0, 0, (i * 90) + 45]) translate([29.7, 0, 0]) cube([5.5, 5.5, H + 1], center = true);
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}
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translate([31/2, 31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
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translate([-31/2, 31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
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translate([31/2, -31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
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translate([-31/2, -31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
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}
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//pad
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translate([0, 0, (H/2) + (1.9/2)]) {
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cylinder(r = R(22), h = 1.9, center = true, $fn = 100);
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}
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//shaft
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translate([0, 0, (H/2) + (22.75/2)]) {
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NEMA17_motor_shaft();
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}
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}
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module geared_motor_shaft () {
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MOTOR_SHAFT_D = 6;
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MOTOR_SHAFT_H = 16;
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MOTOR_SHAFT_HOBBLE = 1;
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difference () {
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cylinder(r = R(MOTOR_SHAFT_D), h = MOTOR_SHAFT_H, center = true, $fn = 60);
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translate([MOTOR_SHAFT_D - MOTOR_SHAFT_HOBBLE, 0, 0]) cube([MOTOR_SHAFT_D, MOTOR_SHAFT_D, MOTOR_SHAFT_H + 1], center = true);
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}
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}
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//Geartisan Worm Gear Motor - JSX40-370
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module geared_motor () {
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MOTOR_MOUNT_X = 32.5;
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MOTOR_MOUNT_Y = 17.5;
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module motor_mount_pad (D, Z) {
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difference () {
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cylinder(r = R(D), h = Z, center = true, $fn = 40);
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//bolt void
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cylinder(r = R(2.5), h = Z + 1, center = true, $fn = 40);
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}
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}
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module motor_mounts () {
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Z = 1.5;
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D = 7.5;
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translate([MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
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translate([-MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
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translate([MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
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translate([-MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
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}
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cube([46, 32, 21], center = true);
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translate([(46 / 2) + (30 / 2), 0, 1.5]) rotate([0, 90, 0]) cylinder(r = 24 / 2, h = 30, center = true, $fn = 80);
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translate([-(46 / 2) + 14.5, 0, -18.5]) rotate([0, 0, 90]) geared_motor_shaft();
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//pad
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translate([-(46 / 2) + 14.5, 0, -(1 / 2) - 10.5]) cylinder(r = 13 / 2, h = 1, center = true, $fn = 60);
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//mount pads
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translate([-0.5, 0, -(1.5 / 2) - 10.5]) motor_mounts();
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}
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module opto_endstop () {
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difference(){
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union(){
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@ -227,18 +169,4 @@ module opto_endstop () {
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}
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}
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}
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}
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// switch module
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module optoswitch() {
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difference(){
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union (){
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color("gray") cube([24.5,3.5,6.4]);
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color("gray")translate([6.63,0,0]) cube([4.45,11.3,6.3]);
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color("gray")translate([13.63,0,0]) cube([4.45,11.3,6.3]);
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}
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for ( hole = [2.75,24.5-2.75] ){
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rotate([90,0,0]) translate([hole,6.4/2,-4]) cylinder(r=1.5, h=4.5,$fn=40);
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}
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}
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}
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@ -0,0 +1,105 @@
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include <./common.scad>;
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//NEMA 17 Constants
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NEMA17OuterWidth = 42;
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NEMA17BoltD = 3;
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NEMA17BoltSpacing = 31;
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NEMA17BoltOffsetZ = -1.9;
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NEMA17ShaftD = 5;
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NEMA17PadD = 22;
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NEMA17ShaftHobble = 4.5;
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NEMA17ShaftHobbleZ = 4.7;
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//Geared Motor Constants
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GearedMotorBoxX = 46;
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GearedMotorBoxY = 32;
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GearedMotorBoxZ = 21;
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GearedMotorMountX = 32.5;
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GearedMotorMountY = 17.5;
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GearedMotorShaftD = 6;
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GearedMotorShaftH = 16;
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GearedMotorShaftHobble = 1;
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module NEMA17_motor_shaft (pos = [0, 0, 0], L = 22.75) {
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//shaft
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translate(pos) difference () {
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cylinder(r = R(NEMA17ShaftD), h = L, center = true, $fn = 30);
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translate([0, NEMA17ShaftHobble, NEMA17ShaftHobbleZ]) cube([NEMA17ShaftD, NEMA17ShaftD, L+1], center = true);
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}
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}
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module NEMA17_bolt_void (pos = [0, 0, 0]) {
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translate(pos) cylinder(r = R(NEMA17BoltD), h = 4, center = true, $fn=30);
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}
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module NEMA17_pad (pos = [0, 0, 0]) {
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translate(pos) {
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cylinder(r = R(NEMA17PadD), h = 1.9, center = true, $fn = 100);
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}
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}
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//NEMA17 Stepper
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module NEMA17 (pos = [0, 0, 0], H = 33 ) { //alt = 47.5
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BoltX = NEMA17BoltSpacing / 2;
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BoltY = NEMA17BoltSpacing / 2;
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BoltZ = (H / 2) + NEMA17BoltOffsetZ;
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translate(pos) {
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difference () {
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cube([NEMA17OuterWidth, NEMA17OuterWidth, H], center = true);
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//corners
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for (i = [0 : 3]) {
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rotate([0, 0, (i * 90) + 45]) translate([29.7, 0, 0]) cube([5.5, 5.5, H + 1], center = true);
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}
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NEMA17_bolt_void([BoltX, BoltY, BoltZ]);
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NEMA17_bolt_void([-BoltX, BoltY, BoltZ]);
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NEMA17_bolt_void([BoltX, -BoltY, BoltZ]);
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NEMA17_bolt_void([-BoltX, -BoltY, BoltZ]);
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}
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//pad
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NEMA17_pad([0, 0, (H/2) + (1.9/2)]);
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//shaft
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NEMA17_motor_shaft([0, 0, (H/2) + (22.75/2)]);
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}
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}
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module geared_motor_shaft (pos = [0, 0, 0], rot = [0, 0, 0]) {
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translate(pos) rotate(rot) difference () {
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cylinder(r = R(GearedMotorShaftD), h = GearedMotorShaftH, center = true, $fn = 60);
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translate([GearedMotorShaftD - GearedMotorShaftHobble, 0, 0]) cube([GearedMotorShaftD, GearedMotorShaftD, GearedMotorShaftH + 1], center = true);
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}
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}
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module geared_motor_mount_pad (pos = [0, 0, 0], D, Z) {
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translate(pos) difference () {
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cylinder(r = R(D), h = Z, center = true, $fn = 40);
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//bolt void
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cylinder(r = R(2.5), h = Z + 1, center = true, $fn = 40);
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}
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}
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module geared_motor_mounts (pos = [0, 0, 0], MountX, MountY) {
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MountX = GearedMotorMountX / 2;
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MountY = GearedMotorMountY / 2;
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Z = 1.5;
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D = 7.5;
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translate(pos) {
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geared_motor_mount_pad([MountX, MountY, 0], D, Z);
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geared_motor_mount_pad([-MountX, MountY, 0], D, Z);
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geared_motor_mount_pad([MountX, -MountY, 0], D, Z);
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geared_motor_mount_pad([-MountX, -MountY, 0], D, Z);
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}
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}
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//Geartisan Worm Gear Motor - JSX40-370
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module geared_motor (pos = [0, 0, 0]) {
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translate(pos) {
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cube([GearedMotorBoxX, GearedMotorBoxY, GearedMotorBoxZ], center = true);
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translate([(GearedMotorBoxX / 2) + (30 / 2), 0, 1.5]) rotate([0, 90, 0]) cylinder(r = 24 / 2, h = 30, center = true, $fn = 80);
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geared_motor_shaft([-(46 / 2) + 14.5, 0, -18.5], [0, 0, 90]);
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//pad
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translate([-(46 / 2) + 14.5, 0, -(1 / 2) - 10.5]) cylinder(r = 13 / 2, h = 1, center = true, $fn = 60);
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//mount pads
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geared_motor_mounts([-0.5, 0, -(1.5 / 2) - 10.5]);
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}
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}
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geared_motor();
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