Rewrite of mount_plate() module into more literate and readable format. Make better use of variables and improve DRY.
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@ -31,8 +31,8 @@ FILTER_VOID_X = FILTER_X - 9 + ((4.5 - 2.34) * 2);
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ROLLER_SPACING = 95;
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module m5_nut () {
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hex(9.4, 4);
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module m5_nut (pos = [0, 0, 0]) {
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translate(pos) hex(9.4, 4);
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}
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module block () {
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@ -53,11 +53,11 @@ module block () {
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translate([0, (BY / 2) - 3.5, 0]) {
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translate([BOLTSX / 2, 0, 0]) {
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cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
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translate([0, 0, 3]) m5_nut();
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m5_nut([0, 0, 3]);
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}
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translate([-BOLTSX / 2, 0, 0]) {
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cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
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translate([0, 0, 3]) m5_nut();
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m5_nut([0, 0, 3]);
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}
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}
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}
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97
takeup.scad
97
takeup.scad
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@ -7,32 +7,12 @@ COUPLING_D = 37;
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WASHER_D = 35.7; //1 + 1/3 diameter?
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WASHER_H = 2.4;
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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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MOTOR_MOUNT_X = 32.5 + 0.1;
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MOTOR_MOUNT_Y = 17.5 + 0.1;
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MOTOR_SHAFT_D = 6; //dep
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MOTOR_SHAFT_H = 16; //dep
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MOTOR_SHAFT_HOBBLE = 1; //dep
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M4 = 4.1;
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module motor_shaft () {
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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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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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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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@ -51,7 +31,7 @@ module magnetic_coupling (MAGNETS = 4, MAGNET_D = 8.1, MAGNET_H = 2.5) {
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translate([0, 0, -5]) cylinder(r = R(20), h = 5, center = true, $fn = 60);
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}
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//motor shaft void
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scale([1.1, 1.1, 2]) motor_shaft();
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scale([1.1, 1.1, 2]) geared_motor_shaft();
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//magnet voids
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for (i = [0 : MAGNETS - 1]) {
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rotate([0, 0, i * (360 / MAGNETS)]) {
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@ -113,11 +93,13 @@ module daylight_spool_insert () {
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}
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}
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module motor_mount_void (D, Z) {
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cylinder(r = R(D), h = Z, center = true, $fn = 40);
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//bolt void
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translate([0, 0, 5]) cylinder(r = R(3.25 + 0.2), h = Z + 10, center = true, $fn = 40);
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translate([0, 0, 4.75]) cylinder(r = R(6), h = 3.5, center = true, $fn = 40);
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module motor_mount_void (pos = [0, 0, 0], D, Z) {
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translate(pos) {
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cylinder(r = R(D), h = Z, center = true, $fn = 40);
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//bolt void
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translate([0, 0, 5]) cylinder(r = R(3.25 + 0.2), h = Z + 10, center = true, $fn = 40);
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translate([0, 0, 4.75]) cylinder(r = R(6), h = 3.5, center = true, $fn = 40);
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}
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}
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module mount_plate_void (pos = [0, 0, 0]) {
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@ -127,6 +109,14 @@ module mount_plate_void (pos = [0, 0, 0]) {
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}
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}
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module corner_void (pos = [0, 0, 0], Corner) {
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translate(pos) cube([Corner, Corner, 8], center = true);
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}
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module corner_round (pos = [0, 0, 0], D) {
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translate(pos) cylinder(r = D, h = 7, center = true, $fn = 40);
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}
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module mount_plate () {
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Z = 1.5;
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D = 7.5 + 1.5;
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@ -134,12 +124,17 @@ module mount_plate () {
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X = 60;
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Y = 60;
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MOUNT_X = 42;
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MOUNT_Y = 42;
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PlateMountX = 42 / 2;
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PlateMountY = 42 / 2;
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CORNER = 3;
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X_CORNER = (X / 2) - (CORNER / 2);
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Y_CORNER = (Y / 2) - (CORNER / 2);
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Corner = 3;
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CornerHalf = Corner / 2;
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CornerX = (X / 2) - (Corner / 2);
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CornerY = (Y / 2) - (Corner / 2);
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CornerZ = 3.26 - .5;
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MotorMountX = (GearedMotorMountX + 0.1) / 2;
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MotorMountY = (GearedMotorMountY + 0.1) / 2;
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//center
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//color("red") cylinder(r = 15 / 2, h = 20, center = true, $fn = 60);
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@ -150,29 +145,31 @@ module mount_plate () {
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//motor void (centered)
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translate([7-0.5, 0, 0]) {
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translate([-(46 / 2) + 15 + 1 + 0.5, 0, 0]) cylinder(r = R(15), h = 20, center = true, $fn = 60);
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translate([(MOTOR_MOUNT_X / 2)+1, (MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
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translate([-(MOTOR_MOUNT_X / 2)+1, (MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
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translate([(MOTOR_MOUNT_X / 2)+1, -(MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
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translate([-(MOTOR_MOUNT_X / 2)+1, -(MOTOR_MOUNT_Y / 2), 0]) motor_mount_void(D, Z);
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translate([1, 0, 0]) {
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motor_mount_void([MotorMountX, MotorMountY, 0], D, Z);
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motor_mount_void([-MotorMountX, MotorMountY, 0], D, Z);
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motor_mount_void([MotorMountX, -MotorMountY, 0], D, Z);
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motor_mount_void([-MotorMountX, -MotorMountY, 0], D, Z);
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}
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//pad void
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translate([-8 + 12.5 + 1, 0, 0]) cube([8, 17, Z], center = true);
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}
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mount_plate_void([MOUNT_X / 2, MOUNT_Y / 2, 0]);
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mount_plate_void([-MOUNT_X / 2, MOUNT_Y / 2, 0]);
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mount_plate_void([MOUNT_X / 2, -MOUNT_Y / 2, 0]);
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mount_plate_void([-MOUNT_X / 2,-MOUNT_Y / 2, 0]);
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mount_plate_void([PlateMountX, PlateMountY, 0]);
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mount_plate_void([-PlateMountX, PlateMountY, 0]);
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mount_plate_void([PlateMountX, -PlateMountY, 0]);
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mount_plate_void([-PlateMountX, -PlateMountY, 0]);
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translate([X_CORNER, Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);
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translate([-X_CORNER, Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);
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translate([X_CORNER, -Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);
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translate([-X_CORNER, -Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);
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corner_void([CornerX, CornerY, CornerZ], Corner);
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corner_void([-CornerX, CornerY, CornerZ], Corner);
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corner_void([CornerX, -CornerY, CornerZ], Corner);
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corner_void([-CornerX, -CornerY, CornerZ], Corner);
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}
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translate([X_CORNER - (CORNER / 2), Y_CORNER - (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
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translate([-X_CORNER + (CORNER / 2), Y_CORNER - (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
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translate([X_CORNER - (CORNER / 2), -Y_CORNER + (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
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translate([-X_CORNER + (CORNER / 2), -Y_CORNER + (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
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corner_round([CornerX - CornerHalf, CornerY - CornerHalf, CornerZ], Corner);
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corner_round([-CornerX + CornerHalf, CornerY- CornerHalf, CornerZ], Corner);
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corner_round([CornerX - CornerHalf, -CornerY + CornerHalf, CornerZ], Corner);
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corner_round([-CornerX + CornerHalf, -CornerY + CornerHalf, CornerZ], Corner);
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}
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//centered, minimal geometry needed to add
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