133 lines
3.9 KiB
OpenSCAD
133 lines
3.9 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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battery(type)
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battery_clip(bat_dia = 18.4)
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batt_holder(tolerance)
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*/
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/*
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NAME: battery
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DESCRIPTION: creates 18650 and 21700 batteries
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TODO: none
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USAGE: battery(type)
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type = "18650", "18650_convex", "21700"
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*/
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module battery(type) {
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adj = .01;
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if(type == "18650") {
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difference() {
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color("#73bc73") cylinder(d=18.4, h=65);
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translate([0,0,65-4]) difference() {
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cylinder(d=18.5, h=2);
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cylinder(d=17.5, h=3);
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}
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}
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}
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if(type == "18650_convex") {
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difference() {
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color("#73bc73") cylinder(d=18.4, h=68);
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translate([0,0,65-4]) difference() {
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color("#73bc73") cylinder(d=18.5, h=2);
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color("#73bc73") cylinder(d=17.5, h=3);
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}
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translate([0,0,65-adj]) difference() {
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color("silver") cylinder(d=18.5, h=3+2*adj);
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color("silver") cylinder(d=14.4, h=3+2*adj);
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}
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color("silver") translate([0,0,68-adj]) cylinder(d=14.4, h=.1);
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}
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}
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if(type == "21700") {
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difference() {
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color("#73bc73") cylinder(d=21, h=70);
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translate([0,0,70-4]) difference() {
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cylinder(d=21.1, h=2);
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cylinder(d=20.1, h=3);
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}
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}
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}
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}
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/*
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NAME: battery_clip
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DESCRIPTION: creates 18650 and 21700 batteries
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TODO: none
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USAGE: battery_clip(bat_dia = 18.4)
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*/
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module battery_clip(bat_dia = 18.4) {
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mat = .38;
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width = 9.5;
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tab = 8.9;
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bat_holder = bat_dia+2*mat;
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adj = .1;
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translate([-5.5,0,10.5]) {
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difference() {
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translate([0,width,0]) rotate([90,0,0]) cylinder(d=bat_holder, h=9.5);
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translate([0,width+adj,0]) rotate([90,0,0]) cylinder(d=bat_dia, h=10.5);
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translate([mat/2-11.1/2,-adj,mat-1.3-bat_dia/2]) cube([11.1-mat,width+2*adj,3]);
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translate([0,width+adj,0]) rotate([90,-45,0]) cube([bat_dia,bat_dia,bat_holder]);
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}
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difference() {
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translate([-11.1/2,0,-1.3-bat_dia/2]) cube([11.1,width,3]);
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translate([mat-11.1/2,-adj,mat/2-1.3-bat_dia/2]) cube([11.1-2*mat,width+2*adj,3]);
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}
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difference() {
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translate([-(tab/2),-3.5,-1-bat_dia/2]) rotate([-5,0,0]) cube([tab,3.5,10]);
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translate([-(tab/2)-adj,-3.5+mat,mat-1-bat_dia/2]) rotate([-5,0,0]) cube([tab+2*adj,3.5+mat,10]);
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}
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translate([0,-2.225,0]) rotate([85,0,0]) cylinder(d=tab, h=mat);
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difference() {
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translate([0,-2.75,0]) sphere(d=3);
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translate([-5,-2.75,-5]) rotate([85,0,0]) cube([tab,10,10]);
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}
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}
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}
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/*
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NAME: battery_holder
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DESCRIPTION: creates cr2032 friction fit coinstyle holder
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TODO: none
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USAGE: batt_holder(tolerance)
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*/
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module batt_holder(tolerance) {
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$fn = 90;
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difference () {
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cylinder(d=25.5,h=6);
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translate ([0,0,-1]) cylinder(d=20.4+tolerance,h=8);
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cube([14,26,13], true);
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}
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cylinder(r=12.75, h=2);
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}
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