mark old models as deprecated
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79
deprecated/kugellager.scad
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79
deprecated/kugellager.scad
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@@ -0,0 +1,79 @@
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$fn = 200;
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module torus(r1=1, r2=2, angle=360, $fn=$fn){
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rotate_extrude(convexity=10, $fn=$fn)
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translate([r2, 0, 0])
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circle(r=r1, $fn=$fn);
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}
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module rounded_cube(size, r=0, $fn=$fn){
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translate([r, r, r]) minkowski(){
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cube([size[0]-r*2, size[1]-r*2, size[2]-r*2]);
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sphere(r, $fn=$fn);
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}
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}
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module rounded_cube_2d(size, r=0, $fn=$fn){
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translate([r, r, 0]) minkowski(){
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cube([size[0]-r*2, size[1]-r*2, size[2]/2]);
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cylinder(d=r*2, h=size[2]/2, $fn=$fn);
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}
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}
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wall_d = 1.5;
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befestigung_d = 2*wall_d;
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sphere_d = 3;
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sphere_spiel = 0.2;
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sphere_ueberstand = 0.5;
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spehre_number = 40;
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screw_hole_d = 2.6;
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torus_r = (sphere_d / 2) / sin(360 / spehre_number);
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torus_inner_r = (sphere_d + sphere_spiel) / 2;
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gesamt_h = sphere_d + wall_d - sphere_ueberstand;
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gesamt_r = torus_r + torus_inner_r + wall_d;
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gesamt_inner_r = torus_r - torus_inner_r - wall_d;
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// Asserts
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assert(torus_inner_r < torus_r);
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assert(torus_inner_r^2 - (torus_inner_r - sphere_ueberstand)^2 < (sphere_d / 2)^2, "Kugeln fallen raus! Überstand oder Spiel reduzieren!");
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// Screw holes
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module screw_hole() {
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rotate(a = [0, 90, 0])
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cylinder(d=screw_hole_d, h=befestigung_d);
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}
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difference() {
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difference() {
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union () {
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//Cylinder
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difference () {
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cylinder(r=gesamt_r, h=gesamt_h);
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cylinder(r=gesamt_inner_r, h=gesamt_h);
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}
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//Befestigung
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translate([-befestigung_d, -(gesamt_r + gesamt_h + wall_d),0]) {
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rounded_cube_2d ([befestigung_d, (gesamt_r + gesamt_h + wall_d) * 2, gesamt_h], r=0.25);
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}
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}
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translate([0,0,torus_inner_r + wall_d]) {
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torus(r1=torus_inner_r, r2=torus_r);
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}
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}
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// Only one half halfes
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translate([0,-gesamt_r,0])
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cube([gesamt_r, gesamt_r*2, gesamt_h]);
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// Screw holes
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translate([-befestigung_d,-(gesamt_r + gesamt_h / 2 + wall_d / 2),gesamt_h / 2]) screw_hole();
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translate([-befestigung_d,(gesamt_r + gesamt_h / 2 + wall_d / 2),gesamt_h / 2]) screw_hole();
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translate([-befestigung_d,0,gesamt_h / 2]) screw_hole();
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}
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