3d-stuff/openscad/own/supermicro_odd_bracket/2.5-hdd-bracket-for-usb-ser...

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l=90;
l_bar=12.5;
w=70;
h=3;
mt=h;
$fn=100;
hole_l=76.6;
hole_w=61.72;
hole_dia=4;
arc_offset=-8;
module square(){
difference(){
cube([l,w,mt],center=true);
for (x = [-hole_l/2,+hole_l/2], y = [-hole_w/2,+hole_w/2]) translate([x,y,0]){
cylinder(r=hole_dia/2,h=h+0.2,center=true);
translate([0,0,h-h/2])cylinder(r=hole_dia,h=h+0.2,center=true);
}
cube([l*0.85,w*0.75,mt+0.2],center=true);
translate([l_bar,0,0])#cube([l,w+0.1,mt+0.2],center=true); //easier mounting bar
}
}
module bracket(){
difference(){
rotate([90,0,0])cube([hole_l+mt*2,mt,hole_dia*2],center=true);
for (x = [-hole_l/2,+hole_l/2]) translate([x,0,0]){
cylinder(r=hole_dia/2,h=h+0.2,center=true);
// translate([0,0,h-h/2])cylinder(r=hole_dia,h=h+0.2,center=true);
}
}
difference(){
rotate([90,0,0])translate([0,arc_offset,0])cylinder(h=hole_dia*2,r=hole_l/2-mt,center=true);
rotate([90,0,0])translate([0,arc_offset,0])cylinder(h=hole_dia*2+0.1,r=hole_l/2-mt*1.5,center=true);
translate([0,0,-l/4-mt/2])cube([l,hole_dia*2+0.1,l/2],center=true);
}
}
translate([100,0,0])square();
//translate([0,mt/2,0])rotate([-90,0,0])bracket();