93 lines
3.0 KiB
OpenSCAD
93 lines
3.0 KiB
OpenSCAD
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// rotate as per a, v, but around point pt
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module rotate_about_pt(z, y, pt) {
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translate(pt)
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rotate([0, y, z])
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translate(-pt)
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children();
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}
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module dent(radius, height, depth, delta=0.001) {
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difference() {
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color("blue")
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translate([-radius, 0, 0])
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cylinder(h=height, r=radius+depth, $fn=3);
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union() {
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color("red")
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translate([0,0,-delta])
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cylinder(h=height+2*delta, r=radius-depth);
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}
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}
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}
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module tilted_dent(radius, height, depth, delta=0.001) {
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translate([0,0,-delta]) dent(radius, height, depth, delta);
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rotate([5,0,60]) translate([0,0,height*(1-sin(5))]) dent(radius, height, depth, delta);
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}
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module rosetta(radius,height,depth,delta=0.001) {
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difference() {
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cylinder(h=height, r=radius);
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union() {
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tilted_dent(radius,height+2*delta,depth);
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rotate([0,0,120]) tilted_dent(radius,height+2*delta,depth);
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rotate([0,0,-120]) tilted_dent(radius,height+2*delta,depth);
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}
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}
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}
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module rosetta_flat(radius,height,depth,delta=0.001) {
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difference() {
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cylinder(h=height, r=radius);
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translate([0,0,-delta]) union() {
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dent(radius,height+2*delta,depth);
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rotate([0,0,120]) dent(radius,height+2*delta,depth);
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rotate([0,0,-120]) dent(radius,height+2*delta,depth);
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}
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}
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}
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module trapeze(b1, b2, h, w) {
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color("red")
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linear_extrude(height=w)
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polygon(points= [[-b1/2, -h/2],
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[-b2/2, h/2],
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[b2/2, h/2],
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[b1/2, -h/2]
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]);
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}
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module cap(flat=true) {
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difference() {
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union() {
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// Generate a flat or screw rosetta if needed
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if (flat)
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rosetta_flat(top_3, piulitza_h, dent_depth);
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else
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rosetta(top_3, piulitza_h, dent_depth);
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color("lightgreen") translate([0,0,piulitza_h-delta]) cylinder(h=piulitza_h, r=top_3-dent_depth);
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color("lightblue") translate([0,0,piulitza_h*2-delta]) cylinder(h=piulitza_h,r1=top_2-3, r2=top_3);
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}
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union() {
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color("green") translate([0,0,-5]) {
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// screw holes
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rotate([0,0, inital_screw_angle]) translate([0,screw_distance-screw_width/2,0]) cylinder(20,r=screw_width/2);
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rotate([0,0, inital_screw_angle + 120]) translate([0,screw_distance-screw_width/2,0]) cylinder(20,r=screw_width/2);
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rotate([0,0,inital_screw_angle-120]) translate([0,screw_distance-screw_width/2,0]) cylinder(20,r=screw_width/2);
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// cable pass
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cylinder(h=20, r=12.5);
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}
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// Thinner disk
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translate([0,0,-2]) cylinder(h=piulitza_h*2, r=top_3*2/3);
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}
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}
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}
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//rosetta_flat(10, 3, 3);
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