Fixed linked strap parametrization
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78e7a2b34a
commit
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@ -1,14 +1,24 @@
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links_count=3;
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links_count=15;
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//validation=1;
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//validation=1;
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VALIDATE_INTERSECTION=1;
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VALIDATE_INTERSECTION=1;
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//xray=1;
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use <BOSL/transforms.scad>
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use <BOSL/transforms.scad>
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use <BOSL/shapes.scad>
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use <BOSL/shapes.scad>
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include <BOSL/constants.scad>
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include <BOSL/constants.scad>
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function get_link_segment_size() = [10, 20, 5];
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function get_link_segment_size() = [15, 30, 5];
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function get_link_pin_diameter() = 2;
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function get_link_pin_diameter() = 2;
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function get_link_socket_slack() = [1, 4, 1];
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echo("===============================");
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echo(str("Strap length: ", (links_count * get_link_segment_size().x), " mm"));
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echo("===============================");
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assert(get_link_segment_size().x >= 10, "Link segment is too short.");
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assert(get_link_segment_size().z >= (get_link_pin_diameter() + get_link_socket_slack().z + 1), "Link segment is too thin.");
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module link() {
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module link() {
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segment_size=get_link_segment_size();
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segment_size=get_link_segment_size();
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@ -18,21 +28,26 @@ module link() {
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back(h/2) xrot(90) cylinder(h=h, d=d, $fn=$preview ? 10 : 30);
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back(h/2) xrot(90) cylinder(h=h, d=d, $fn=$preview ? 10 : 30);
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}
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}
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module pin_socket_area() {
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module pin_socket_area() {
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h=segment_size.y-3;
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h=segment_size.y-get_link_socket_slack().y;
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d=segment_size.z;
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d=segment_size.z;
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back(h/2) xrot(90) cylinder(h=h, d=d, $fn=$preview ? 10 : 30);
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back(h/2) xrot(90) cylinder(h=h, d=d, $fn=$preview ? 10 : 30);
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}
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}
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module pin_socket() {
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module pin_socket() {
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difference() {
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difference() {
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pin_socket_area();
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pin_socket_area();
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scale(1.1) pin();
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scaleup = [
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((get_link_pin_diameter() + get_link_socket_slack().x) / get_link_pin_diameter()),
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((get_link_pin_diameter() + get_link_socket_slack().y) / get_link_pin_diameter()),
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((get_link_pin_diameter() + get_link_socket_slack().z) / get_link_pin_diameter())
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];
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scale(scaleup) pin();
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}
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}
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}
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}
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module joiner() {
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module joiner() {
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gap=2;
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gap=2;
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arm_size=[8, 3, segment_size.z];
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module arm() {
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module arm() {
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arm_size=[segment_size.x*0.9, 2, segment_size.z];
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fwd(segment_size.y/2 + arm_size.y/2 - 1) right(arm_size.x/2 - 1) cuboid(arm_size, fillet=1, edges=EDGES_FRONT + EDGES_Y_ALL);
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fwd(segment_size.y/2) right(segment_size.x/4) cuboid(arm_size, fillet=1, edges=EDGES_FRONT + EDGES_Y_ALL);
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}
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}
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module armFront() {
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module armFront() {
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arm();
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arm();
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@ -41,15 +56,15 @@ module link() {
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scale([1, -1, 1]) arm();
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scale([1, -1, 1]) arm();
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}
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}
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module armJoiner() {
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module armJoiner() {
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joiner_size=[4, segment_size.y, segment_size.z];
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joiner_size=[arm_size.x*0.48, segment_size.y, segment_size.z];
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right(segment_size.x/2) cuboid(joiner_size, fillet=1, edges=EDGES_Z_ALL + EDGES_BOTTOM);
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right(joiner_size.x + 1) cuboid(joiner_size, fillet=1, edges=EDGES_Z_ALL + EDGES_BOTTOM);
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}
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}
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module socketJoiner() {
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module socketJoiner() {
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joiner_size=[segment_size.x-4,
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joiner_size=[segment_size.x-4,
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segment_size.y-4,
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segment_size.y-4,
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segment_size.z];
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segment_size.z];
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difference() {
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difference() {
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right(segment_size.x/2 + 2.5) cuboid(joiner_size, fillet=1, edges=EDGES_Z_ALL + EDGES_BOTTOM);
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right(joiner_size.x/2 + 4.5) cuboid(joiner_size, fillet=1, edges=EDGES_Z_ALL + EDGES_BOTTOM);
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right(segment_size.x) scale([1, 2, 1]) pin_socket_area();
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right(segment_size.x) scale([1, 2, 1]) pin_socket_area();
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}
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}
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}
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}
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@ -76,6 +91,13 @@ if (!is_undef(validation)) {
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right(2*segment_size.x) link();
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right(2*segment_size.x) link();
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}
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}
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}
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}
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} else if (!is_undef(xray)) {
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intersection() {
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cube([1000, 1000, 1000]);
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for (i = [0:links_count-1]) {
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right(i*segment_size.x) link();
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}
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}
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} else {
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} else {
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for (i = [0:links_count-1]) {
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for (i = [0:links_count-1]) {
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right(i*segment_size.x) link();
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right(i*segment_size.x) link();
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