76 lines
2.5 KiB
OpenSCAD
76 lines
2.5 KiB
OpenSCAD
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CF_Tube_Len = 420; // Convenient Amazon size, longer would be better of course but prices are important
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CF_Tube_OD = 5.0; // Outer Diameter
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CF_Tube_ID = 3.0;
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CF_Square_Width = 6.0;
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CF_Square_ID = 5.0; // Inner diameter, sadly doesn't fit the tubes
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cyl_hd_fn = $preview ? 32 : 512;
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cyl_ld_fn = $preview ? 24 : 72;
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module CFTube(hole=true) { // Align +y
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rotate([0, 0, 90]) render() difference() {
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rotate([0, 90, 0]) cylinder(h=CF_Tube_Len, d=CF_Tube_OD, $fn=cyl_hd_fn);
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if (hole) rotate([0, 90, 0]) cylinder(h=CF_Tube_Len, d=CF_Tube_ID, $fn=cyl_ld_fn);
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}
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}
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module CFSquare(hole=true) {
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rotate([0, 0, 90]) render() difference() {
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translate([0, -CF_Square_Width/2, -CF_Square_Width/2]) cube([CF_Tube_Len, CF_Square_Width, CF_Square_Width]);
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if (hole) rotate([0, 90, 0]) cylinder(h=CF_Tube_Len, d=CF_Square_ID, $fn=cyl_ld_fn);
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}
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}
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hull_epsilon = 0.2;
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module CFTubeCutout(x1, x2, tolerance = CF_Tube_OD_tolerance, VLH = false, taper_length = 5) {
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tolerance = tolerance + (VLH ? 0.3 : 0);
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taper_mul = 1.2;
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taper_direction = (x1 > x2) ? (-1) : 1;
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x_min = min(x1, x2);
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x_max = max(x1, x2);
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fn = 360;
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translate([0, x_min, 0])
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rotate([-90,0,0])
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cylinder(h=x_max-x_min, d=CF_Tube_OD+tolerance, $fn=fn);
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hull() {
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translate([0, x1])
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rotate([-90,0,0])
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cylinder(h=hull_epsilon, d=(CF_Tube_OD*taper_mul)+tolerance, $fn=fn);
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translate([0, x1+(taper_length*taper_direction)])
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rotate([-90,0,0])
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cylinder(h=hull_epsilon, d=CF_Tube_OD+tolerance, $fn=fn);
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}
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hull() {
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translate([0, x2])
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rotate([-90,0,0])
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cylinder(h=hull_epsilon, d=(CF_Tube_OD*taper_mul)+tolerance, $fn=fn);
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translate([0, x2-(taper_length*taper_direction)])
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rotate([-90,0,0])
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cylinder(h=hull_epsilon, d=CF_Tube_OD+tolerance, $fn=fn);
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}
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}
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module CFSquareCutout(x1, x2, tolerance = CF_Square_Width_tolerance, taper_x1 = true, taper_x2 = true, taper_length = 5) {
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x = CF_Square_Width+tolerance;
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taper_mul = 1.2;
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taper_direction = (x1 > x2) ? (-1) : 1;
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x_min = min(x1, x2);
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x_max = max(x1, x2);
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translate([-x/2, x_min, -x/2]) cube([x, x_max-x_min, x]);
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if (taper_x1) {
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hull() {
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translate([0, x1, 0])
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cube([x*taper_mul, hull_epsilon, x*taper_mul], center=true);
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translate([0, x1+(taper_length*taper_direction), 0])
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cube([x, hull_epsilon, x], center=true);
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}
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}
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if (taper_x2){
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hull() {
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translate([0, x2, 0])
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cube([x*taper_mul, hull_epsilon, x*taper_mul], center=true);
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translate([0, x2-(taper_length*taper_direction), 0])
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cube([x, hull_epsilon, x], center=true);
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}
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}
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}
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