167 lines
6.9 KiB
OpenSCAD
167 lines
6.9 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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NAME: standoff
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DESCRIPTION: create standoffs
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TODO: none
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USAGE: standoff(stand_off, mask)
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stand_off[radius, height, supportsize, supportheight, sink, pillarstyle,
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pillarsupport, reverse, insert_e, i_dia, i_depth], mask)
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radius = pillar radius
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height = total height
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holesize = hole diameter
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supportsize = support size for sink
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supportheight = height of support for sink
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sink = none, countersunk, recessed, nut holder, blind
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pillarstyle = hex, round
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pillarsupport = none, left, rear, front, right
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reverse = true or false
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insert_e = true or false
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i_dia = insert diameter
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i_depth = insert hole depth
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mask[0] = enablemask
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mask[1] = mlength
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mask[2] = msetback
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mask[3] = mstyle
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*/
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module standoff(stand_off, mask){
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radius = stand_off[0];
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height = stand_off[1];
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holesize = stand_off[2];
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supportsize = stand_off[3];
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supportheight = stand_off[4];
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sink = stand_off[5];
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pillarstyle = stand_off[6];
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pillarsupport = stand_off[7];
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reverse = stand_off[8];
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insert_e = stand_off[9];
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i_dia = stand_off[10];
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i_depth = stand_off[11];
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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 = 0.1;
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$fn = 90;
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if(enablemask == true && mstyle == "default") {
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if(reverse == true) {
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translate([0,0,-msetback-adj]) cylinder(d=supportsize-2*adj,h=mlength);
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}
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else {
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translate([0,0,-mlength+msetback+adj]) cylinder(d=supportsize-2*adj,h=mlength);
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}
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}
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if(enablemask == false) {
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difference (){
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union () {
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if(pillarstyle == "hex" && reverse == false) {
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rotate([0,0,30]) cylinder(d=radius*2/sqrt(3),h=height,$fn=6);
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}
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if(pillarstyle == "hex" && reverse == true) {
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translate([0,0,-height]) rotate([0,0,30]) cylinder(d=radius*2/sqrt(3),h=height,$fn=6);
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}
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if(pillarstyle == "round" && reverse == false) {
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cylinder(d=radius,h=height);
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}
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if(pillarstyle == "round" && reverse == true) {
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translate([0,0,-height]) cylinder(d=radius,h=height);
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}
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if(reverse == true) {
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translate([0,0,-supportheight]) cylinder(d=supportsize,h=supportheight);
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}
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else {
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cylinder(d=(supportsize),h=supportheight);
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}
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if(pillarsupport == "rear" && reverse == true) {
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translate([-1,-supportsize/2,-height]) cube([2,supportsize/2,height]);
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}
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if(pillarsupport == "rear" && reverse == false) {
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translate([-1,-supportsize/2,0]) cube([2,supportsize/2,height]);
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}
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if(pillarsupport == "front" && reverse == true) {
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translate([-1,0,-height]) cube([2,supportsize/2,height]);
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}
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if(pillarsupport == "front" && reverse == false) {
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translate([-1,0,0]) cube([2,supportsize/2,height]);
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}
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if(pillarsupport == "left" && reverse == true) {
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translate([-supportsize/2,-1,-height]) cube([supportsize/2,2,height]);
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}
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if(pillarsupport == "left" && reverse == false) {
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translate([-supportsize/2,-1,0]) cube([supportsize/2,2,height]);
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}
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if(pillarsupport == "right" && reverse == true) {
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translate([0,-1,-height]) cube([supportsize/2,2,height]);
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}
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if(pillarsupport == "right" && reverse == false) {
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translate([0,-1,0]) cube([supportsize/2,2,height]);
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}
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}
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// hole
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if(sink != "blind" && reverse == false) {
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translate([0,0,-adj]) cylinder(d=holesize, h=height+(adj*2));
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}
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if(sink != "blind" && reverse == true) {
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translate([0,0,-adj-height]) cylinder(d=holesize, h=height+(adj*2));
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}
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// countersink hole
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if(sink == "countersunk" && reverse == false) {
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translate([0,0,-adj]) cylinder(d1=6.5, d2=holesize, h=3.25);
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}
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if(sink == "countersunk" && reverse == true) {
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translate([0,0,+adj-2.5]) cylinder(d1=holesize, d2=6.5, h=3.25);
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}
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// recessed hole
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if(sink == "recessed" && reverse == false) {
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translate([0,0,-adj]) cylinder(d=6.5, h=supportheight-2);
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}
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if(sink == "recessed" && reverse == true) {
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translate([0,0,+adj-supportheight+2]) cylinder(d=6.5, h=supportheight-2);
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}
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// nut holder
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if(sink == "nut holder" && reverse == false) {
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translate([0,0,-adj]) cylinder(r=3.3,h=3,$fn=6);
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}
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if(sink == "nut holder" && reverse == true) {
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translate([0,0,+adj-3]) cylinder(r=3.3,h=3,$fn=6);
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}
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// blind hole
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if(sink == "blind" && reverse == false) {
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translate([0,0,2]) cylinder(d=holesize, h=height);
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}
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if(sink == "blind" && reverse == true) {
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translate([0,0,-height-2-adj]) cylinder(d=holesize, h=height);
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}
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if(insert_e == true && reverse == false) {
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translate([0,0,height-i_depth]) cylinder(d=i_dia, h=i_depth+adj);
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}
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if(insert_e == true && reverse == true) {
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translate([0,0,-height-adj]) cylinder(d=i_dia, h=i_depth+adj);
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}
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}
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}
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}
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