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@@ -0,0 +1,84 @@ |
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links_count=3; |
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//validation=1; |
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VALIDATE_INTERSECTION=1; |
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use <BOSL/transforms.scad> |
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use <BOSL/shapes.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_pin_diameter() = 2; |
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module link() { |
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segment_size=get_link_segment_size(); |
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module pin() { |
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h=segment_size.y; |
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d=get_link_pin_diameter(); |
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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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module pin_socket_area() { |
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h=segment_size.y-3; |
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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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} |
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module pin_socket() { |
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difference() { |
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pin_socket_area(); |
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scale(1.1) pin(); |
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} |
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} |
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module joiner() { |
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gap=2; |
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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) right(segment_size.x/4) cuboid(arm_size, fillet=1, edges=EDGES_FRONT + EDGES_Y_ALL); |
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} |
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module armFront() { |
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arm(); |
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} |
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module armBack() { |
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scale([1, -1, 1]) arm(); |
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} |
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module armJoiner() { |
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joiner_size=[4, 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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} |
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module socketJoiner() { |
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joiner_size=[segment_size.x-4, |
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segment_size.y-4, |
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segment_size.z]; |
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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(segment_size.x) scale([1, 2, 1]) pin_socket_area(); |
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} |
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} |
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socketJoiner(); |
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armFront(); |
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armBack(); |
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armJoiner(); |
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} |
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pin(); |
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right(segment_size.x) pin_socket(); |
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joiner(); |
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} |
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segment_size=get_link_segment_size(); |
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if (!is_undef(validation)) { |
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if (validation==VALIDATE_INTERSECTION) { |
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intersection() { |
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right(0*segment_size.x) link(); |
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right(1*segment_size.x) link(); |
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} |
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intersection() { |
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right(1*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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} else { |
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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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