fixed fan_2 mask, created shared fan and heatsink mask code and readme.md updates and corrections
This commit is contained in:
Edward Kisiel
275
lib/fans.scad
275
lib/fans.scad
@@ -130,278 +130,3 @@ module fan_cover(size, thick, style) {
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color("grey", 1) fan_mask(size, thick, style);
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}
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}
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/*
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DESCRIPTION: creates fan masks for openings
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TODO:
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USAGE: fan_mask(size, thick, style)
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size = size of fan
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thick = thickness of cover
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style = "fan_open", "fan_1", "fan_2", "fan_hex"
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*/
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module fan_mask(size, thick, style) {
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hole_pos = size == 25 ? 2.5 :
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size == 30 ? 3 :
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size == 40 ? 4 :
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size == 50 || size == 60 || size == 70 ? 5 :
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size >= 80 ? 3.75 : 3.75;
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$fn = 90;
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adj = .01;
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if(style == "fan_open") {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-1);
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// mount holes
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translate([size-hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([size-hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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}
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if(style == "fan_1" && size == 25) {
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union() {
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difference() {
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union () {
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-2);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-8);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-11);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-17);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-20);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-25);
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}
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// mount holes
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translate([size-hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([size-hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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}
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translate([4, 3, -2]) rotate([0, 0, 45]) cube([size, 1.5, thick+4]);
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translate([3, size-4, -2]) rotate([0, 0, -45]) cube([size, 1.5, thick+4]);
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}
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}
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}
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if(style == "fan_1" && size == 30) {
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union() {
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difference() {
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union () {
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-2);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-8);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-11);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-17);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-20);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-25);
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}
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// mount holes
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translate([size-hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([size-hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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}
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translate([5, 4, -2]) rotate([0, 0, 45]) cube([size, 1.5, thick+4]);
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translate([4, size-5, -2]) rotate([0, 0, -45]) cube([size, 1.5, thick+4]);
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}
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}
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}
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if(style == "fan_1" && size == 40) {
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union() {
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difference() {
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union () {
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-2);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-8);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-11);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-17);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-20);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-25);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-28);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-35);
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}
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// mount holes
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translate([size-hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([size-hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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}
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translate([6.5, 5.5, -2]) rotate([0, 0, 45]) cube([size, 1.5, thick+4]);
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translate([5, size-6, -2]) rotate([0, 0, -45]) cube([size, 1.5, thick+4]);
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}
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}
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}
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if(style == "fan_1" && (size == 50 || size == 60 || size == 70)) {
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union() {
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difference() {
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union () {
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-2);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-14);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-18);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-30);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-34);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-46);
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}
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if(size > 50) {
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-50);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-59);
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}
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}
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// mount holes
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translate([size-hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([size-hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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}
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translate([8.5, 7, -2]) rotate([0, 0, 45]) cube([size > 60 ? size+4 : size+1, 2, thick+4]);
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translate([6.5, size-8, -2]) rotate([0, 0, -45]) cube([size > 60 ? size+4 : size+1, 2, thick+4]);
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}
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}
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}
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if(style == "fan_1" && size >= 80) {
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union() {
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difference() {
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union () {
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-2);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-9);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-14);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-21);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-26);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-33);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-38);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-45);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-50);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-57);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-62);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-68);
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}
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if(size == 92) {
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-74);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-80);
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}
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difference() {
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translate([size/2, size/2, -1]) cylinder(h=thick+2, d=size-85);
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translate([size/2, size/2, -2]) cylinder(h=thick+4, d=size-91);
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}
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}
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// mount holes
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translate([size-hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([size-hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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}
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translate([6.5, 4.25, -2]) rotate([0, 0, 45]) cube([size*1.2, 3, thick+4]);
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translate([4.25, size-6.5, -2]) rotate([0, 0, -45]) cube([size*1.2, 3, thick+4]);
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}
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}
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}
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if(style == "fan_2") {
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inner = size == 25 ? 20 :
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size == 30 ? 24 :
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size == 40 ? 32 :
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size == 50 ? 40 :
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size == 60 ? 50 :
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size == 70 ? 61.9 :
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size == 80 ? 71.5 :
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size * 0.8; // Use 80% as default
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rings = size <= 40 ? 4 : 6;
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bar_size = size <= 40 ? 2 : 3;
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screw_offset = inner / 2;
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center_point = size * 0.5;
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base_ring_size = size * 0.95;
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rings_spacing = size / rings;
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translate([size/2, size/2, -1])
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union() {
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translate([screw_offset, screw_offset, (thick+2)/2]) cylinder(d=3, h=thick+2, center=true);
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translate([-screw_offset, screw_offset, (thick+2)/2]) cylinder(d=3, h=thick+2, center=true);
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translate([screw_offset, -screw_offset, (thick+2)/2]) cylinder(d=3, h=thick+2, center=true);
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translate([-screw_offset, -screw_offset, (thick+2)/2]) cylinder(d=3, h=thick+2, center=true);
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difference() {
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union() {
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for(i=[inner:-rings_spacing:0]) {
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difference() {
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cylinder(d=base_ring_size - i, h=thick+2);
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translate([0, 0, -1]) cylinder(d=base_ring_size - i - (rings_spacing/2), h=thick+4);
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}
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}
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}
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union() {
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cylinder(d=bar_size*3+0.1, thick+2); // Add a circle to prevent any tiny holes around cross bar
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#translate([0,0,1+thick/2]) rotate([0, 0, 45]) cube([size, bar_size, thick+2], center=true);
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#translate([0,0,1+thick/2]) rotate([0, 0, 45]) cube([bar_size, size, thick+2], center=true);
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}
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}
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}
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}
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if(style == "fan_hex") {
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hex_pos = size == 25 ? [-14.25, -7, 0] :
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size == 30 ? [-11.75, -4.5, 0] :
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size == 40 ? [-14, -11.25, 0] :
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size == 50 ? [-16, -6.5, 0] :
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size == 60 ? [-11, -1.5, 0] :
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size == 70 ? [-13, -3.5, 0] :
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size >= 80 ? [-8.25, -3.5, 0] : [-9, -4, 0];
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union() {
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difference () {
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translate([1+(size-2)/2, 1+(size-2)/2, -1]) cylinder(h=thick+2, d=size-2);
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union() {
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difference() {
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translate([1+(size-2)/2, 1+(size-2)/2, -1-adj]) cylinder(h=thick+3, d=size-2);
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translate(hex_pos) vent_hex(15, 8, thick+4, 12, 2, "horizontal");
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}
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}
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}
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}
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// mount holes
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translate([size-hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([size-hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, size-hole_pos, -1]) cylinder(h=thick+2, d=3);
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translate([hole_pos, hole_pos, -1]) cylinder(h=thick+2, d=3);
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}
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}
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