Added cable breakage preventing protusions. Hours of wasted life will be saved
This commit is contained in:
Jon Garrison
parent
d7f81f2ef2
commit
386f66db26
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@ -1,102 +1,120 @@
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// PRUSA iteration4
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// Heatbed cable cover clip MK3S
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// GNU GPL v3
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// Josef Průša <iam@josefprusa.cz> and contributors
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// http://www.reprap.org/wiki/Prusa_Mendel
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// http://prusamendel.org
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module m3_nut()
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{
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difference()
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{
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union()
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{
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cylinder( h = 4, r = 3.15, $fn=6);
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translate([0,0,2.5]) cylinder( h = 4, r1 = 3.15, r2=4,$fn=6);
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translate([0,0,-9]) cylinder( h = 12, r = 1.7, $fn=30);
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translate([0,0,-0.49]) cylinder( h = 0.5, r1 = 1.7, r2=1.95,$fn=30);
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}
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translate([1.7,-5,-1]) cube([5,10,2]);
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translate([-6.7,-5,-1]) cube([5,10,2]);
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translate([-5,1.7,-1.5]) cube([10,5,2]);
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translate([-5,-6.7,-1.5]) cube([10,5,2]);
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}
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}
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module clip()
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{
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difference()
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{
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// base body
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translate([-15,15.5,-3]) cube([30,20.5,6]);
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// inner angled cut
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translate([3.5,2,0]) rotate([0,0,0]) cube([10.5,15,6]);
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translate([-14,2,0]) rotate([0,0,0]) cube([10.5,15,6]);
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translate([3.5,15,0]) rotate([0,0,0]) cube([7,8,6]);
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translate([-10.5,15,0]) rotate([0,0,0]) cube([7,8,6]);
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translate([6.96,19.45,1]) rotate([0,0,45]) cube([5,10,6]);
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translate([-6.96,19.45,1]) rotate([0,0,45]) cube([10,5,6]);
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translate([-0,37,3]) rotate([90,0,0]) cylinder(h = 17, r=3.5, $fn=60);
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translate([-7,15,0]) rotate([0,0,0]) cube([14,11,6]);
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translate([3,14,1]) rotate([0,0,10]) cube([7,13,6]);
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translate([-9.88,15.21,1]) rotate([0,0,-10]) cube([7,13,6]);
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// cables cut
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translate([-0,36,3]) rotate([90,0,0]) cylinder(h = 187, r=4, $fn=60);
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translate([-11,30,0]) rotate([0,180,30]) m3_nut();
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translate([11,30,0]) rotate([0,180,30]) m3_nut();
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// thermistor cable entry
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translate([-0,22,4]) rotate([115,0,0]) cylinder(h = 15, r=3, $fn=60);
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// edges
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translate([-18.0,32,-5]) rotate([0,0,25]) cube([11,11,15]);
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translate([18,32,-5]) rotate([0,0,65]) cube([11,11,15]);
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}
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// cable rims
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difference()
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{
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difference()
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{
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translate([-0,36,3]) rotate([90,0,0]) cylinder(h = 10, r=4.5, $fn=60);
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translate([-0,37,3]) rotate([90,0,0]) cylinder(h = 17, r=3, $fn=60);
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}
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translate([-15,18,3]) cube([30,20,6]);
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translate([-15,27,-5]) cube([30,2,16]);
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translate([-15,30,-5]) cube([30,2,16]);
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translate([-15,33,-5]) cube([30,2,16]);
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translate([6.96,19.45,1]) rotate([0,0,45]) cube([5,10,6]);
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translate([-6.96,19.45,1]) rotate([0,0,45]) cube([10,5,6]);
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translate([-4,20,0]) rotate([0,0,0]) cube([8,11,6]);
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}
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}
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clip();
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// PRUSA iteration4
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// Heatbed cable cover clip MK3S
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// GNU GPL v3
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// Josef Průša <iam@josefprusa.cz> and contributors
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// http://www.reprap.org/wiki/Prusa_Mendel
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// http://prusamendel.org
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module m3_nut()
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{
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difference()
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{
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union()
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{
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cylinder( h = 4, r = 3.15, $fn=6);
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translate([0,0,2.5]) cylinder( h = 4, r1 = 3.15, r2=4,$fn=6);
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translate([0,0,-9]) cylinder( h = 12, r = 1.7, $fn=30);
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translate([0,0,-0.49]) cylinder( h = 0.5, r1 = 1.7, r2=1.95,$fn=30);
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}
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translate([1.7,-5,-1]) cube([5,10,2]);
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translate([-6.7,-5,-1]) cube([5,10,2]);
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translate([-5,1.7,-1.5]) cube([10,5,2]);
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translate([-5,-6.7,-1.5]) cube([10,5,2]);
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}
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}
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/**
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* These protusions prevent cable breakage in the event of the build platform colliding
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* with an object behind the printer. Hours of wasted life will be saved :)
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*
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* square collision ends allow a solid easily detected hit and will not cause the
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* machine to jump up or down.
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**/
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module cable_break_preventer()
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{
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z_offset = -3;
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center_offset = 4.4;
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block_length = 12;
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block_width = 5;
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block_height = 6;
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translate([center_offset, 20.5 + 15.5, z_offset])
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cube([block_width, block_length, block_height]);
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translate([-block_width - center_offset, 20.5 + 15.5, z_offset])
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cube([block_width, block_length, block_height]);
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}
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module clip()
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{
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difference()
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{
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// base body
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translate([-15,15.5,-3]) cube([30,20.5,6]);
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// inner angled cut
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translate([3.5,2,0]) rotate([0,0,0]) cube([10.5,15,6]);
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translate([-14,2,0]) rotate([0,0,0]) cube([10.5,15,6]);
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translate([3.5,15,0]) rotate([0,0,0]) cube([7,8,6]);
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translate([-10.5,15,0]) rotate([0,0,0]) cube([7,8,6]);
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translate([6.96,19.45,1]) rotate([0,0,45]) cube([5,10,6]);
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translate([-6.96,19.45,1]) rotate([0,0,45]) cube([10,5,6]);
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translate([-0,37,3]) rotate([90,0,0]) cylinder(h = 17, r=3.5, $fn=60);
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translate([-7,15,0]) rotate([0,0,0]) cube([14,11,6]);
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translate([3,14,1]) rotate([0,0,10]) cube([7,13,6]);
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translate([-9.88,15.21,1]) rotate([0,0,-10]) cube([7,13,6]);
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// cables cut
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translate([-0,36,3]) rotate([90,0,0]) cylinder(h = 187, r=4, $fn=60);
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translate([-11,30,0]) rotate([0,180,30]) m3_nut();
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translate([11,30,0]) rotate([0,180,30]) m3_nut();
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// thermistor cable entry
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translate([-0,22,4]) rotate([115,0,0]) cylinder(h = 15, r=3, $fn=60);
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// edges
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translate([-18.0,32,-5]) rotate([0,0,25]) cube([11,11,15]);
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translate([18,32,-5]) rotate([0,0,65]) cube([11,11,15]);
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}
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// cable rims
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difference()
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{
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difference()
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{
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translate([-0,36,3]) rotate([90,0,0]) cylinder(h = 10, r=4.5, $fn=60);
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translate([-0,37,3]) rotate([90,0,0]) cylinder(h = 17, r=3, $fn=60);
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}
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translate([-15,18,3]) cube([30,20,6]);
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translate([-15,27,-5]) cube([30,2,16]);
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translate([-15,30,-5]) cube([30,2,16]);
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translate([-15,33,-5]) cube([30,2,16]);
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translate([6.96,19.45,1]) rotate([0,0,45]) cube([5,10,6]);
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translate([-6.96,19.45,1]) rotate([0,0,45]) cube([10,5,6]);
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translate([-4,20,0]) rotate([0,0,0]) cube([8,11,6]);
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}
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}
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clip();
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cable_break_preventer();
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