133 lines
5.2 KiB
OpenSCAD
133 lines
5.2 KiB
OpenSCAD
/*
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This file is part of SBC Case Builder https://github.com/hominoids/SBC_Case_Builder
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Copyright 2022,2023,2024 Edward A. Kisiel hominoid@cablemi.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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Code released under GPLv3: http://www.gnu.org/licenses/gpl.html
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fans(style, mask)
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fan_cover(size, thick)
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fan_mask(size, thick, style)
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*/
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/*
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NAME: fans
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DESCRIPTION: creates different fan styles and sizes
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TODO: add efficient vanes
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USAGE: fans(style, mask)
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style = "box",
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mask[0] = true enables component mask
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mask[1] = mask length
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mask[2] = mask setback
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mask[3] = mstyle "default", "fan_open", "fan_1", "fan_2", "fan_hex"
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*/
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module fans(style, mask) {
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// size, thick, hole-spacing, hole-size, hub-size
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fan_data = [
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["box140x25", 140, 25, 124.5, 4.3, 40, "#353535"],
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["box120x25", 120, 25, 105, 4.3, 40, "#353535"],
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["box92x25", 92, 25, 82.5, 4.3, 40, "#353535"],
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["box92x10", 92, 10, 82.5, 4.3, 40, "#353535"],
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["box80x25", 80, 25, 72.5, 4.3, 35, "#353535"],
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["box80x10", 80, 10, 72.5, 4.3, 35, "#353535"],
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["box60x25", 60, 25, 50, 4.3, 30, "#353535"],
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["box60x10", 60, 10, 50, 4.3, 30, "#353535"],
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["box50x10", 60, 10, 40, 4.3, 20, "#353535"],
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["box40x10", 40, 10, 32, 4.3, 18, "#353535"],
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["box30x10", 30, 10, 24, 3.2, 12, "#353535"],
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["box25x10", 25, 10, 20, 3, 12, "#353535"]
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];
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f = search([style],fan_data);
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diameter = fan_data[f[0]][1];
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thickness = fan_data[f[0]][2];
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hole_space = fan_data[f[0]][3];
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hole_size = fan_data[f[0]][4];
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hole_offset = (diameter-hole_space)/2;
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hub_size = fan_data[f[0]][5];
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fan_color = fan_data[f[0]][6];
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enablemask = mask[0];
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mlength = mask[1];
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msetback = mask[2];
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mstyle = mask[3];
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adj = .01;
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$fn = 90;
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if(enablemask == true) {
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if(mstyle == "fan_open") {
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translate([0, 0, thickness-msetback+1]) fan_mask(diameter, mlength, "fan_open");
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}
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if(mstyle == "default" || mstyle == "fan_1") {
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translate([0, 0, thickness-msetback+1]) fan_mask(diameter, mlength, "fan_1");
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}
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if(mstyle == "fan_2") {
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translate([0, 0, thickness-msetback+1]) fan_mask(diameter, mlength, "fan_2");
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}
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if(mstyle == "fan_hex") {
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translate([0, 0, thickness-msetback+1]) fan_mask(diameter, mlength, "fan_hex");
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}
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}
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if(enablemask == false) {
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difference() {
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union() {
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color(fan_color) slab([diameter, diameter, 3], 4);
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color(fan_color) translate([0, 0, thickness-3]) slab([diameter, diameter, 3], 4);
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color(fan_color) translate([diameter/2, diameter/2, 0]) cylinder(d=diameter+2, h=thickness);
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}
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// holes
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color(fan_color) translate([diameter/2, diameter/2, -1]) cylinder(d=diameter-2, h=thickness+2);
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color(fan_color) translate([hole_offset,hole_offset,-1]) cylinder(d=hole_size, h=thickness+2);
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color(fan_color) translate([hole_offset,diameter-hole_offset,-1]) cylinder(d=hole_size, h=thickness+2);
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color(fan_color) translate([diameter-hole_offset,hole_offset,-1]) cylinder(d=hole_size, h=thickness+2);
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color(fan_color) translate([diameter-hole_offset,diameter-hole_offset,-1]) cylinder(d=hole_size, h=thickness+2);
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// trim sides
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color(fan_color) translate([-4,-4, -1]) cube([4, diameter+8, thickness+2]);
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color(fan_color) translate([diameter,-4, -1]) cube([4, diameter+8, thickness+2]);
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color(fan_color) translate([-4,-4, -1]) cube([diameter+8, 4, thickness+2]);
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color(fan_color) translate([-4,diameter, -1]) cube([diameter+8, 4, thickness+2]);
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}
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color(fan_color) translate([diameter/2, diameter/2, thickness/2]) rotate([0,0,30])
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cylinder_fillet_inside(h=thickness, r=hub_size/2, top=1, bottom=1, $fn=90, fillet_fn=90, center=true);
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}
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}
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/*
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NAME: fan_cover
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DESCRIPTION: creates fan covers for fan openings
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TODO: none
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USAGE: fan_cover(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_cover(size, thick, style) {
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difference() {
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color("grey", 1) slab([size, size, thick], 3);
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color("grey", 1) fan_mask(size, thick, style);
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}
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}
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