mirror of
https://github.com/pgrondek/SixInchRack.git
synced 2024-11-25 05:05:28 +00:00
348 lines
8.8 KiB
OpenSCAD
Executable File
348 lines
8.8 KiB
OpenSCAD
Executable File
// This file contains all the parts for a rack enclosure
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// It has the format required for a customizable project on Thingiverse
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// Note: Calculated variables does not show up in the customizer, hence the *1;
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$fn = 50*1;
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part = "f"; // [a:Extrusion no holes,b:Extrusion front holes,c:Extrusion front and side holes,d:End open,e:End grid,f:End chimney,g:End closed,h:Nut-less Trap,i:Panel,j:Panel with handle,k:Handle]
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Units = 3;
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//Hole size for 4mm screws or freedom unit equivalent
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Four_mm_screw = 3.8;
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//Hole size for 5mm screws or freedom unit equivalent
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Five_mm_screw = 4.8;
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//Constants, do not change !
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sixinch = 155*1; // cm = 6"
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width = 155-20-20; // 11.5cm between rails
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unit = (44.5/19)*6; // 1U = 14.05cm
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gauge = 3*1;
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gauge_box = 2*1;
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slip = 0.35*1; // extra slip between parts
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go();
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module go(){
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if (part=="a"){
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extrusion(Units,true,false,false);
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}else if (part=="b"){
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extrusion(Units,true,true,false);
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}else if (part=="c"){
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extrusion(Units,true,true,true);
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}else if (part=="d"){
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rack_end(0);
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}else if (part=="e"){
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rack_end(1);
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}else if (part=="f"){
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rack_end(2);
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}else if (part=="g"){
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rack_end(3);
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}else if (part=="h"){
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trap(Units);
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}else if (part=="i"){
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sidepanel(Units,false);
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}else if (part=="j"){
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sidepanel(Units,true);
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}else if (part=="k"){
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tophandle();
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translate([0,30,0]){tophandle();}
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}
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}
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module chimney() {
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for(i=[0:8:80]){
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echo(i);
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translate([20 + (width-80)/2 +i,-1,20]){
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minkowski(){
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cube([0.01,50,30]);
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sphere(d=2,h=1);
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}
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}
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}
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}
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// Nut-less Trap
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module trap(u){
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difference(){
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union(){
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translate([-2.4,0,4]){
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cube([4.8,unit*u,1.5]);
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}
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translate([-2.4,unit*u,0]){
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rotate([90,0,0]){
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linear_extrude(unit*u){
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polygon(points=[[0,0],[4.8,0],[7,4],[-2.2,4]]);
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}
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}
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}
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}
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for(i=[1:u]){
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translate([0,unit*i-unit/2,-1]){
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cylinder(d=Four_mm_screw,h=10);
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}
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}
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}
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}
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//0: open
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//1: grid
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//2: chimney
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//3: closed
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module rack_end(type){
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width = sixinch+1;
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difference(){
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union(){
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translate([1.25,1.25,1.25]){
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minkowski(){
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w = width-2.5;
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cube([w, w, gauge-2.5]);
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sphere(r=1.25);
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}
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}
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}
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if(type==0 || type==1){
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translate([20,20,-1]){ cube([width-40,width-40,gauge+2]);}
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}
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translate([10,10,-0.1]) { cylinder(d=5,h=10); cylinder(d1=10,d2=6,h=3.5);}
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translate([width-10,10,-0.1]) { cylinder(d=5,h=10); cylinder(d1=10,d2=6,h=3.5);}
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translate([10,width-10,-0.1]) { cylinder(d=5,h=10); cylinder(d1=10,d2=6,h=3.5);}
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translate([width-10,width-10,-0.1]){ cylinder(d=5,h=10); cylinder(d1=10,d2=6,h=3.5);}
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rotate([-90,0,0]){
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if(type==2){
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translate([0,-5,0]){chimney();}
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translate([0,-5,(width-29)/2]){chimney();}
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translate([0,-5,width-29]){chimney();}
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}
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}
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}
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if(type==1){
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intersection(){
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union(){
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sz=8;
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grid = 15;
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for(i=[-grid*8:12:grid*8]){
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translate([sz/2+i+70,sz/2+78,gauge/2]){
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rotate([0,0,45]){
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cube([2,width*1.5,gauge],center=true);
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}
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}
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translate([sz/2+i+70,sz/2+82,gauge/2]){
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rotate([0,0,-45]){
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cube([2,width*1.5,gauge],center=true);
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}
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}
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}
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}
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translate([15,15,-1]){cube([125,125,10]);}
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}
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}
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}
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module tophandle(){
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rotate([0,180,0]){
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difference(){
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union(){
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rotate([0,45,0]){
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extrusion(4,false,false,false);
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}
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translate([sixinch,20,0]){
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rotate([0,45,180]){
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extrusion(4,false,false,false);
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}
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}
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}
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wedge();
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translate([90,90,10]){
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cube([200,200,20],center=true);
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}
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translate([10,10,0]){handlescrew();}
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translate([sixinch-10,10,0]){handlescrew();}
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}
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intersection(){
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translate([0,0,-27.4]){
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extrusion(11,false,false,false);
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}
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wedge();
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}
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}
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}
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module handlescrew(){
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translate([0,0,-39]){cylinder(d=5,h=40); }
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translate([0,0,-4]){cylinder(d1=10,d2=6,h=3.5);}
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translate([0,0,-34]){cylinder(d=10,h=30);}
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}
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module wedge(){
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translate([sixinch/2,-10,15]){
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rotate([0,45+45/2,0]){
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cube([80,80,30]);
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}
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translate([0,80,0]){
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rotate([0,45+45/2,180]){
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cube([80,80,30]);
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}
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}
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translate([-20,0,-100]){
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cube([40,80,100]);
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}
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}
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}
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module extrusion(u,center,front,side){
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len=unit*u;
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difference(){
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translate([0,2,2]){
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minkowski(){
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cube([len,16,16]);
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sphere(d=4);
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}
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}
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translate([-5,10,1.99]){
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rotate([0,90,0]){linear_extrude(len+10){polygon(points=[[0,-2.5],[2,-4],[2,4],[0,2.5]]);}}
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}
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translate([-5,10,18.01]){
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rotate([0,-90,180]){linear_extrude(len+10){polygon(points=[[0,-2.5],[2,-4],[2,4],[0,2.5]]);}}
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}
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translate([-5,18.01,10]){
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rotate([90,0,90]){linear_extrude(len+10){polygon(points=[[0,-2.5],[2,-4],[2,4],[0,2.5]]);}}
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}
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translate([-5,1.99,10]){
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rotate([-90,0,-90]){linear_extrude(len+10){polygon(points=[[0,-2.5],[2,-4],[2,4],[0,2.5]]);}}
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}
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if(center){
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translate([-5,10,10]){
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rotate([0,90,0]){
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cylinder(d=4.6,h=len+10);
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}
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}
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}
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//holes
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if(front){
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for(i=[0:30]){
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translate([unit/2+i*unit,10,-5]){ cylinder(d=3.8,h=30);}
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}
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}
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if(side){
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for(i=[0:30]){
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translate([unit/2+i*unit,25,10]){ rotate([90,0,0]){cylinder(d=3.8,h=30);}}
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}
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}
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//length cutoff
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translate([-2,0,0]){cube([4,60,60],center=true);}
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translate([len+2,0,0]){cube([4,60,60],center=true);}
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}
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}
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module screw(){
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cylinder(r1=screw_head/2, r2=screw_dia/2, h=screw_head_height);
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cylinder(r=screw_dia/2, h=40);
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translate([0,0,-0.99]){cylinder(r=screw_head/2, h=1);}
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}
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module insideprofile(l){
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difference(){
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union(){
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translate([7.6,10,0]){cube([4.8,10,l]);}
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translate([0,7.6,0]){cube([20,4.8,l]);}
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translate([6.5,10-2.1,0]){cube([7 ,10,l]);}
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translate([2.1,6.5,0]){cube([15.8,7 ,l]);}
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}
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translate([4,4,-1]){
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cube([12,12,l+2]);
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}
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}
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translate([20,20,0]){
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rotate([0,-90,0]){
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linear_extrude(20){
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polygon (points=[[0,0],[l,0],[0,l]]);
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}
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}
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}
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}
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module sidepanel(u,handle){
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difference(){
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baseplate(u);
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if(handle){
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translate([(sixinch-80)/2, 9,-4]) { cube([80,20,10]);}
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translate([(sixinch-80)/2, 19,-4]) { cylinder(d=20,h=10);}
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translate([sixinch-(sixinch-80)/2,19,-4]) { cylinder(d=20,h=10);}
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}
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}
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}
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module baseplate(u){
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difference(){
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union(){
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translate([1.25,1.25,1.25]){
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minkowski(){
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cube([sixinch-2.5,unit*u-2.5,gauge-2.5]);
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sphere(r=1.25);
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}
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}
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}
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//Rack mount holes
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translate([10-0.5,unit/2,-gauge/2]) {cylinder(r=2.3,gauge*2);}
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translate([sixinch-10+0.5,unit/2,-gauge/2]) {cylinder(r=2.3,gauge*2);}
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translate([10-0.5,u*unit-(unit/2),-gauge/2]) {cylinder(r=2.3,gauge*2);}
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translate([sixinch-10+0.5,u*unit-(unit/2),-gauge/2]){cylinder(r=2.3,gauge*2);}
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if(u>=5){
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translate([10-0.5,(u*unit)/2,-gauge/2]) {cylinder(r=2.3,gauge*2);}
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translate([sixinch-10+0.5,(u*unit)/2,-gauge/2]) {cylinder(r=2.3,gauge*2);}
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}
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}
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}
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